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Finding the Fourth Proportional to 359,861.16, 539,792.46 and 93,621.24

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Solution

The fourth proportional to 359,861.16, 539,792.46 and 93,621.24 is: 140,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,861.16 : 539,792.46 = 93,621.24 : x
  2. Step 2: Convert to fraction form
    359,861.16/539,792.46 = 93,621.24/x
  3. Step 3: Cross multiply
    359,861.16x = 539,792.46 × 93,621.24
  4. Step 4: Simplify right side
    359,861.16x = 50,536,039,447.85
  5. Step 5: Solve for x
    x = 50,536,039,447.85/359,861.16
  6. Step 6: Final answer
    x = 140,432.05

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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.