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Finding the Fourth Proportional to 178,225.64, 267,317.65 and 71,605.28

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Solution

The fourth proportional to 178,225.64, 267,317.65 and 71,605.28 is: 107,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,225.64 : 267,317.65 = 71,605.28 : x
  2. Step 2: Convert to fraction form
    178,225.64/267,317.65 = 71,605.28/x
  3. Step 3: Cross multiply
    178,225.64x = 267,317.65 × 71,605.28
  4. Step 4: Simplify right side
    178,225.64x = 19,141,354,819.17
  5. Step 5: Solve for x
    x = 19,141,354,819.17/178,225.64
  6. Step 6: Final answer
    x = 107,399.56

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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.