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Finding the Fourth Proportional to 60,088.92, 90,126.50 and 15,719.96

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Solution

The fourth proportional to 60,088.92, 90,126.50 and 15,719.96 is: 23,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,088.92 : 90,126.50 = 15,719.96 : x
  2. Step 2: Convert to fraction form
    60,088.92/90,126.50 = 15,719.96/x
  3. Step 3: Cross multiply
    60,088.92x = 90,126.50 × 15,719.96
  4. Step 4: Simplify right side
    60,088.92x = 1,416,784,445.71
  5. Step 5: Solve for x
    x = 1,416,784,445.71/60,088.92
  6. Step 6: Final answer
    x = 23,578.13

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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.