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Finding the Fourth Proportional to 359,601.12, 539,411.40 and 93,355.74

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Solution

The fourth proportional to 359,601.12, 539,411.40 and 93,355.74 is: 140,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,601.12 : 539,411.40 = 93,355.74 : x
  2. Step 2: Convert to fraction form
    359,601.12/539,411.40 = 93,355.74/x
  3. Step 3: Cross multiply
    359,601.12x = 539,411.40 × 93,355.74
  4. Step 4: Simplify right side
    359,601.12x = 50,357,150,411.44
  5. Step 5: Solve for x
    x = 50,357,150,411.44/359,601.12
  6. Step 6: Final answer
    x = 140,036.13

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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.