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Finding the Fourth Proportional to 359,877.60, 539,817.12 and 93,637.71

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Solution

The fourth proportional to 359,877.60, 539,817.12 and 93,637.71 is: 140,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,877.60 : 539,817.12 = 93,637.71 : x
  2. Step 2: Convert to fraction form
    359,877.60/539,817.12 = 93,637.71/x
  3. Step 3: Cross multiply
    359,877.60x = 539,817.12 × 93,637.71
  4. Step 4: Simplify right side
    359,877.60x = 50,547,238,935.60
  5. Step 5: Solve for x
    x = 50,547,238,935.60/359,877.60
  6. Step 6: Final answer
    x = 140,456.75

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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.