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Finding the Fourth Proportional to 90,376, 135,564 and 24,712

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Solution

The fourth proportional to 90,376, 135,564 and 24,712 is: 37,068

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,376 : 135,564 = 24,712 : x
  2. Step 2: Convert to fraction form
    90,376/135,564 = 24,712/x
  3. Step 3: Cross multiply
    90,376x = 135,564 × 24,712
  4. Step 4: Simplify right side
    90,376x = 3,350,057,568
  5. Step 5: Solve for x
    x = 3,350,057,568/90,376
  6. Step 6: Final answer
    x = 37,068

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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.