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Finding the Fourth Proportional to 60,234.74, 90,356.55 and 15,861.19

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Solution

The fourth proportional to 60,234.74, 90,356.55 and 15,861.19 is: 23,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,234.74 : 90,356.55 = 15,861.19 : x
  2. Step 2: Convert to fraction form
    60,234.74/90,356.55 = 15,861.19/x
  3. Step 3: Cross multiply
    60,234.74x = 90,356.55 × 15,861.19
  4. Step 4: Simplify right side
    60,234.74x = 1,433,162,240.88
  5. Step 5: Solve for x
    x = 1,433,162,240.88/60,234.74
  6. Step 6: Final answer
    x = 23,792.95

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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.