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Finding the Fourth Proportional to 187,407.34, 281,052.15 and 62,719.18

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Solution

The fourth proportional to 187,407.34, 281,052.15 and 62,719.18 is: 94,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,407.34 : 281,052.15 = 62,719.18 : x
  2. Step 2: Convert to fraction form
    187,407.34/281,052.15 = 62,719.18/x
  3. Step 3: Cross multiply
    187,407.34x = 281,052.15 × 62,719.18
  4. Step 4: Simplify right side
    187,407.34x = 17,627,360,385.24
  5. Step 5: Solve for x
    x = 17,627,360,385.24/187,407.34
  6. Step 6: Final answer
    x = 94,059.07

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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.