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Finding the Fourth Proportional to 178,425.65, 267,553.73 and 103,568.74

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Solution

The fourth proportional to 178,425.65, 267,553.73 and 103,568.74 is: 155,303.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,425.65 : 267,553.73 = 103,568.74 : x
  2. Step 2: Convert to fraction form
    178,425.65/267,553.73 = 103,568.74/x
  3. Step 3: Cross multiply
    178,425.65x = 267,553.73 × 103,568.74
  4. Step 4: Simplify right side
    178,425.65x = 27,710,203,793.43
  5. Step 5: Solve for x
    x = 27,710,203,793.43/178,425.65
  6. Step 6: Final answer
    x = 155,303.92

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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.