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Finding the Fourth Proportional to 178,486.25, 267,730.29 and 60,158.61

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Solution

The fourth proportional to 178,486.25, 267,730.29 and 60,158.61 is: 90,238.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,486.25 : 267,730.29 = 60,158.61 : x
  2. Step 2: Convert to fraction form
    178,486.25/267,730.29 = 60,158.61/x
  3. Step 3: Cross multiply
    178,486.25x = 267,730.29 × 60,158.61
  4. Step 4: Simplify right side
    178,486.25x = 16,106,282,101.30
  5. Step 5: Solve for x
    x = 16,106,282,101.30/178,486.25
  6. Step 6: Final answer
    x = 90,238.23

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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.