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Finding the Fourth Proportional to 123,582.50, 185,371.17 and 39,348.47

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Solution

The fourth proportional to 123,582.50, 185,371.17 and 39,348.47 is: 59,021.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,582.50 : 185,371.17 = 39,348.47 : x
  2. Step 2: Convert to fraction form
    123,582.50/185,371.17 = 39,348.47/x
  3. Step 3: Cross multiply
    123,582.50x = 185,371.17 × 39,348.47
  4. Step 4: Simplify right side
    123,582.50x = 7,294,072,385.04
  5. Step 5: Solve for x
    x = 7,294,072,385.04/123,582.50
  6. Step 6: Final answer
    x = 59,021.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.