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Finding the Fourth Proportional to 202,472.20, 303,957.90 and 127,592.20

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Solution

The fourth proportional to 202,472.20, 303,957.90 and 127,592.20 is: 191,545.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,472.20 : 303,957.90 = 127,592.20 : x
  2. Step 2: Convert to fraction form
    202,472.20/303,957.90 = 127,592.20/x
  3. Step 3: Cross multiply
    202,472.20x = 303,957.90 × 127,592.20
  4. Step 4: Simplify right side
    202,472.20x = 38,782,657,168.38
  5. Step 5: Solve for x
    x = 38,782,657,168.38/202,472.20
  6. Step 6: Final answer
    x = 191,545.59

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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.