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Finding the Fourth Proportional to 187,274.47, 280,938.36 and 60,874.08

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Solution

The fourth proportional to 187,274.47, 280,938.36 and 60,874.08 is: 91,319.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,274.47 : 280,938.36 = 60,874.08 : x
  2. Step 2: Convert to fraction form
    187,274.47/280,938.36 = 60,874.08/x
  3. Step 3: Cross multiply
    187,274.47x = 280,938.36 × 60,874.08
  4. Step 4: Simplify right side
    187,274.47x = 17,101,864,201.71
  5. Step 5: Solve for x
    x = 17,101,864,201.71/187,274.47
  6. Step 6: Final answer
    x = 91,319.78

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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.