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Finding the Fourth Proportional to 133,711.86, 200,598.84 and 38,944.29

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Solution

The fourth proportional to 133,711.86, 200,598.84 and 38,944.29 is: 58,425.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,711.86 : 200,598.84 = 38,944.29 : x
  2. Step 2: Convert to fraction form
    133,711.86/200,598.84 = 38,944.29/x
  3. Step 3: Cross multiply
    133,711.86x = 200,598.84 × 38,944.29
  4. Step 4: Simplify right side
    133,711.86x = 7,812,179,398.62
  5. Step 5: Solve for x
    x = 7,812,179,398.62/133,711.86
  6. Step 6: Final answer
    x = 58,425.48

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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.