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Finding the Fourth Proportional to 150,153,077.30, 210,516,639.10 and 150,153,077.30

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Solution

The fourth proportional to 150,153,077.30, 210,516,639.10 and 150,153,077.30 is: 210,516,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,153,077.30 : 210,516,639.10 = 150,153,077.30 : x
  2. Step 2: Convert to fraction form
    150,153,077.30/210,516,639.10 = 150,153,077.30/x
  3. Step 3: Cross multiply
    150,153,077.30x = 210,516,639.10 × 150,153,077.30
  4. Step 4: Simplify right side
    150,153,077.30x = 31,609,721,183,718,504
  5. Step 5: Solve for x
    x = 31,609,721,183,718,504/150,153,077.30
  6. Step 6: Final answer
    x = 210,516,639.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.