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Finding the Fourth Proportional to 178,568.88, 267,854.91 and 45,449.28

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Solution

The fourth proportional to 178,568.88, 267,854.91 and 45,449.28 is: 68,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,568.88 : 267,854.91 = 45,449.28 : x
  2. Step 2: Convert to fraction form
    178,568.88/267,854.91 = 45,449.28/x
  3. Step 3: Cross multiply
    178,568.88x = 267,854.91 × 45,449.28
  4. Step 4: Simplify right side
    178,568.88x = 12,173,812,803.96
  5. Step 5: Solve for x
    x = 12,173,812,803.96/178,568.88
  6. Step 6: Final answer
    x = 68,174.32

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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.