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Finding the Fourth Proportional to 178,365.72, 267,407.44 and 88,344.70

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Solution

The fourth proportional to 178,365.72, 267,407.44 and 88,344.70 is: 132,447.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,365.72 : 267,407.44 = 88,344.70 : x
  2. Step 2: Convert to fraction form
    178,365.72/267,407.44 = 88,344.70/x
  3. Step 3: Cross multiply
    178,365.72x = 267,407.44 × 88,344.70
  4. Step 4: Simplify right side
    178,365.72x = 23,624,029,622.84
  5. Step 5: Solve for x
    x = 23,624,029,622.84/178,365.72
  6. Step 6: Final answer
    x = 132,447.14

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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.