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Finding the Fourth Proportional to 133,718.99, 200,609.53 and 38,951.42

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Solution

The fourth proportional to 133,718.99, 200,609.53 and 38,951.42 is: 58,436.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,718.99 : 200,609.53 = 38,951.42 : x
  2. Step 2: Convert to fraction form
    133,718.99/200,609.53 = 38,951.42/x
  3. Step 3: Cross multiply
    133,718.99x = 200,609.53 × 38,951.42
  4. Step 4: Simplify right side
    133,718.99x = 7,814,024,958.61
  5. Step 5: Solve for x
    x = 7,814,024,958.61/133,718.99
  6. Step 6: Final answer
    x = 58,436.17

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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.