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Finding the Fourth Proportional to 186,515.52, 279,855.90 and 97,747.92

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Solution

The fourth proportional to 186,515.52, 279,855.90 and 97,747.92 is: 146,665.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,515.52 : 279,855.90 = 97,747.92 : x
  2. Step 2: Convert to fraction form
    186,515.52/279,855.90 = 97,747.92/x
  3. Step 3: Cross multiply
    186,515.52x = 279,855.90 × 97,747.92
  4. Step 4: Simplify right side
    186,515.52x = 27,355,332,124.73
  5. Step 5: Solve for x
    x = 27,355,332,124.73/186,515.52
  6. Step 6: Final answer
    x = 146,665.18

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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.