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Finding the Fourth Proportional to 178,386.57, 267,624.45 and 125,898.57

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Solution

The fourth proportional to 178,386.57, 267,624.45 and 125,898.57 is: 188,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,386.57 : 267,624.45 = 125,898.57 : x
  2. Step 2: Convert to fraction form
    178,386.57/267,624.45 = 125,898.57/x
  3. Step 3: Cross multiply
    178,386.57x = 267,624.45 × 125,898.57
  4. Step 4: Simplify right side
    178,386.57x = 33,693,535,552.04
  5. Step 5: Solve for x
    x = 33,693,535,552.04/178,386.57
  6. Step 6: Final answer
    x = 188,879.33

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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.