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Finding the Fourth Proportional to 178,045.90, 267,112.05 and 125,557.90

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Solution

The fourth proportional to 178,045.90, 267,112.05 and 125,557.90 is: 188,367.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,045.90 : 267,112.05 = 125,557.90 : x
  2. Step 2: Convert to fraction form
    178,045.90/267,112.05 = 125,557.90/x
  3. Step 3: Cross multiply
    178,045.90x = 267,112.05 × 125,557.90
  4. Step 4: Simplify right side
    178,045.90x = 33,538,028,062.70
  5. Step 5: Solve for x
    x = 33,538,028,062.70/178,045.90
  6. Step 6: Final answer
    x = 188,367.31

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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.