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Finding the Fourth Proportional to 359,603.37, 539,414.78 and 93,357.99

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Solution

The fourth proportional to 359,603.37, 539,414.78 and 93,357.99 is: 140,039.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,603.37 : 539,414.78 = 93,357.99 : x
  2. Step 2: Convert to fraction form
    359,603.37/539,414.78 = 93,357.99/x
  3. Step 3: Cross multiply
    359,603.37x = 539,414.78 × 93,357.99
  4. Step 4: Simplify right side
    359,603.37x = 50,358,679,170.30
  5. Step 5: Solve for x
    x = 50,358,679,170.30/359,603.37
  6. Step 6: Final answer
    x = 140,039.51

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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.