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Finding the Fourth Proportional to 359,926.92, 539,910 and 93,688.20

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Solution

The fourth proportional to 359,926.92, 539,910 and 93,688.20 is: 140,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,926.92 : 539,910 = 93,688.20 : x
  2. Step 2: Convert to fraction form
    359,926.92/539,910 = 93,688.20/x
  3. Step 3: Cross multiply
    359,926.92x = 539,910 × 93,688.20
  4. Step 4: Simplify right side
    359,926.92x = 50,583,196,062
  5. Step 5: Solve for x
    x = 50,583,196,062/359,926.92
  6. Step 6: Final answer
    x = 140,537.41

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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.