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Finding the Fourth Proportional to 359,577.78, 539,367.69 and 93,340.60

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Solution

The fourth proportional to 359,577.78, 539,367.69 and 93,340.60 is: 140,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,577.78 : 539,367.69 = 93,340.60 : x
  2. Step 2: Convert to fraction form
    359,577.78/539,367.69 = 93,340.60/x
  3. Step 3: Cross multiply
    359,577.78x = 539,367.69 × 93,340.60
  4. Step 4: Simplify right side
    359,577.78x = 50,344,905,840.77
  5. Step 5: Solve for x
    x = 50,344,905,840.77/359,577.78
  6. Step 6: Final answer
    x = 140,011.17

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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.