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Finding the Fourth Proportional to 153,954.20, 230,931.30 and 101,077.40

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Solution

The fourth proportional to 153,954.20, 230,931.30 and 101,077.40 is: 151,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,954.20 : 230,931.30 = 101,077.40 : x
  2. Step 2: Convert to fraction form
    153,954.20/230,931.30 = 101,077.40/x
  3. Step 3: Cross multiply
    153,954.20x = 230,931.30 × 101,077.40
  4. Step 4: Simplify right side
    153,954.20x = 23,341,935,382.62
  5. Step 5: Solve for x
    x = 23,341,935,382.62/153,954.20
  6. Step 6: Final answer
    x = 151,616.10

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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.