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Finding the Fourth Proportional to 127,332.60, 191,202.90 and 101,254.20

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Solution

The fourth proportional to 127,332.60, 191,202.90 and 101,254.20 is: 152,043.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,332.60 : 191,202.90 = 101,254.20 : x
  2. Step 2: Convert to fraction form
    127,332.60/191,202.90 = 101,254.20/x
  3. Step 3: Cross multiply
    127,332.60x = 191,202.90 × 101,254.20
  4. Step 4: Simplify right side
    127,332.60x = 19,360,096,677.18
  5. Step 5: Solve for x
    x = 19,360,096,677.18/127,332.60
  6. Step 6: Final answer
    x = 152,043.52

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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.