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Finding the Fourth Proportional to 207,592.76, 311,487.56 and 123,519.08

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Solution

The fourth proportional to 207,592.76, 311,487.56 and 123,519.08 is: 185,337.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,592.76 : 311,487.56 = 123,519.08 : x
  2. Step 2: Convert to fraction form
    207,592.76/311,487.56 = 123,519.08/x
  3. Step 3: Cross multiply
    207,592.76x = 311,487.56 × 123,519.08
  4. Step 4: Simplify right side
    207,592.76x = 38,474,656,842.64
  5. Step 5: Solve for x
    x = 38,474,656,842.64/207,592.76
  6. Step 6: Final answer
    x = 185,337.18

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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.