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Finding the Fourth Proportional to 175,882.73, 242,706.65 and 112,213.69

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Solution

The fourth proportional to 175,882.73, 242,706.65 and 112,213.69 is: 154,847.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,882.73 : 242,706.65 = 112,213.69 : x
  2. Step 2: Convert to fraction form
    175,882.73/242,706.65 = 112,213.69/x
  3. Step 3: Cross multiply
    175,882.73x = 242,706.65 × 112,213.69
  4. Step 4: Simplify right side
    175,882.73x = 27,235,007,616.20
  5. Step 5: Solve for x
    x = 27,235,007,616.20/175,882.73
  6. Step 6: Final answer
    x = 154,847.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.