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Finding the Fourth Proportional to 178,127.88, 267,108.72 and 103,269.48

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Solution

The fourth proportional to 178,127.88, 267,108.72 and 103,269.48 is: 154,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,127.88 : 267,108.72 = 103,269.48 : x
  2. Step 2: Convert to fraction form
    178,127.88/267,108.72 = 103,269.48/x
  3. Step 3: Cross multiply
    178,127.88x = 267,108.72 × 103,269.48
  4. Step 4: Simplify right side
    178,127.88x = 27,584,178,617.87
  5. Step 5: Solve for x
    x = 27,584,178,617.87/178,127.88
  6. Step 6: Final answer
    x = 154,856.04

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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.