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Finding the Fourth Proportional to 359,987.54, 539,974.02 and 93,742.16

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Solution

The fourth proportional to 359,987.54, 539,974.02 and 93,742.16 is: 140,611.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,987.54 : 539,974.02 = 93,742.16 : x
  2. Step 2: Convert to fraction form
    359,987.54/539,974.02 = 93,742.16/x
  3. Step 3: Cross multiply
    359,987.54x = 539,974.02 × 93,742.16
  4. Step 4: Simplify right side
    359,987.54x = 50,618,330,978.68
  5. Step 5: Solve for x
    x = 50,618,330,978.68/359,987.54
  6. Step 6: Final answer
    x = 140,611.34

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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.