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Finding the Fourth Proportional to 178,554.17, 267,700.04 and 85,125.53

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Solution

The fourth proportional to 178,554.17, 267,700.04 and 85,125.53 is: 127,625.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,554.17 : 267,700.04 = 85,125.53 : x
  2. Step 2: Convert to fraction form
    178,554.17/267,700.04 = 85,125.53/x
  3. Step 3: Cross multiply
    178,554.17x = 267,700.04 × 85,125.53
  4. Step 4: Simplify right side
    178,554.17x = 22,788,108,348.86
  5. Step 5: Solve for x
    x = 22,788,108,348.86/178,554.17
  6. Step 6: Final answer
    x = 127,625.74

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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.