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Finding the Fourth Proportional to 123,717.80, 185,586.72 and 34,972.04

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Solution

The fourth proportional to 123,717.80, 185,586.72 and 34,972.04 is: 52,460.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,717.80 : 185,586.72 = 34,972.04 : x
  2. Step 2: Convert to fraction form
    123,717.80/185,586.72 = 34,972.04/x
  3. Step 3: Cross multiply
    123,717.80x = 185,586.72 × 34,972.04
  4. Step 4: Simplify right side
    123,717.80x = 6,490,346,195.31
  5. Step 5: Solve for x
    x = 6,490,346,195.31/123,717.80
  6. Step 6: Final answer
    x = 52,460.89

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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.