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Finding the Fourth Proportional to 156,862.14, 216,481.14 and 92,334.72

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Solution

The fourth proportional to 156,862.14, 216,481.14 and 92,334.72 is: 127,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,862.14 : 216,481.14 = 92,334.72 : x
  2. Step 2: Convert to fraction form
    156,862.14/216,481.14 = 92,334.72/x
  3. Step 3: Cross multiply
    156,862.14x = 216,481.14 × 92,334.72
  4. Step 4: Simplify right side
    156,862.14x = 19,988,725,447.18
  5. Step 5: Solve for x
    x = 19,988,725,447.18/156,862.14
  6. Step 6: Final answer
    x = 127,428.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.