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Finding the Fourth Proportional to 178,323.14, 267,188.25 and 125,621.30

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Solution

The fourth proportional to 178,323.14, 267,188.25 and 125,621.30 is: 188,223.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,323.14 : 267,188.25 = 125,621.30 : x
  2. Step 2: Convert to fraction form
    178,323.14/267,188.25 = 125,621.30/x
  3. Step 3: Cross multiply
    178,323.14x = 267,188.25 × 125,621.30
  4. Step 4: Simplify right side
    178,323.14x = 33,564,535,309.73
  5. Step 5: Solve for x
    x = 33,564,535,309.73/178,323.14
  6. Step 6: Final answer
    x = 188,223.11

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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.