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Finding the Fourth Proportional to 178,473.88, 267,624.69 and 103,612.87

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Solution

The fourth proportional to 178,473.88, 267,624.69 and 103,612.87 is: 155,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,473.88 : 267,624.69 = 103,612.87 : x
  2. Step 2: Convert to fraction form
    178,473.88/267,624.69 = 103,612.87/x
  3. Step 3: Cross multiply
    178,473.88x = 267,624.69 × 103,612.87
  4. Step 4: Simplify right side
    178,473.88x = 27,729,362,213.76
  5. Step 5: Solve for x
    x = 27,729,362,213.76/178,473.88
  6. Step 6: Final answer
    x = 155,369.30

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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.