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Finding the Fourth Proportional to 30,311,201.10, 45,466,801.65 and 30,311,201.10

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Solution

The fourth proportional to 30,311,201.10, 45,466,801.65 and 30,311,201.10 is: 45,466,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311,201.10 : 45,466,801.65 = 30,311,201.10 : x
  2. Step 2: Convert to fraction form
    30,311,201.10/45,466,801.65 = 30,311,201.10/x
  3. Step 3: Cross multiply
    30,311,201.10x = 45,466,801.65 × 30,311,201.10
  4. Step 4: Simplify right side
    30,311,201.10x = 1,378,153,368,186,961.75
  5. Step 5: Solve for x
    x = 1,378,153,368,186,961.75/30,311,201.10
  6. Step 6: Final answer
    x = 45,466,801.65

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.