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Finding the Fourth Proportional to 263,737.92, 363,957.89 and 142,882.28

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Solution

The fourth proportional to 263,737.92, 363,957.89 and 142,882.28 is: 197,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,737.92 : 363,957.89 = 142,882.28 : x
  2. Step 2: Convert to fraction form
    263,737.92/363,957.89 = 142,882.28/x
  3. Step 3: Cross multiply
    263,737.92x = 363,957.89 × 142,882.28
  4. Step 4: Simplify right side
    263,737.92x = 52,003,130,612.99
  5. Step 5: Solve for x
    x = 52,003,130,612.99/263,737.92
  6. Step 6: Final answer
    x = 197,177.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.