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Finding the Fourth Proportional to 127,545.60, 191,318.40 and 119,672.40

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Solution

The fourth proportional to 127,545.60, 191,318.40 and 119,672.40 is: 179,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,545.60 : 191,318.40 = 119,672.40 : x
  2. Step 2: Convert to fraction form
    127,545.60/191,318.40 = 119,672.40/x
  3. Step 3: Cross multiply
    127,545.60x = 191,318.40 × 119,672.40
  4. Step 4: Simplify right side
    127,545.60x = 22,895,532,092.16
  5. Step 5: Solve for x
    x = 22,895,532,092.16/127,545.60
  6. Step 6: Final answer
    x = 179,508.60

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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.