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Finding the Fourth Proportional to 127,331.60, 191,201.40 and 101,253.20

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Solution

The fourth proportional to 127,331.60, 191,201.40 and 101,253.20 is: 152,042.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,331.60 : 191,201.40 = 101,253.20 : x
  2. Step 2: Convert to fraction form
    127,331.60/191,201.40 = 101,253.20/x
  3. Step 3: Cross multiply
    127,331.60x = 191,201.40 × 101,253.20
  4. Step 4: Simplify right side
    127,331.60x = 19,359,753,594.48
  5. Step 5: Solve for x
    x = 19,359,753,594.48/127,331.60
  6. Step 6: Final answer
    x = 152,042.02

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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.