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Finding the Fourth Proportional to 186,747.50, 280,123.68 and 62,088.50

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Solution

The fourth proportional to 186,747.50, 280,123.68 and 62,088.50 is: 93,133.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,747.50 : 280,123.68 = 62,088.50 : x
  2. Step 2: Convert to fraction form
    186,747.50/280,123.68 = 62,088.50/x
  3. Step 3: Cross multiply
    186,747.50x = 280,123.68 × 62,088.50
  4. Step 4: Simplify right side
    186,747.50x = 17,392,459,105.68
  5. Step 5: Solve for x
    x = 17,392,459,105.68/186,747.50
  6. Step 6: Final answer
    x = 93,133.56

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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.