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Finding the Fourth Proportional to 123,705.80, 185,568.72 and 34,960.04

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Solution

The fourth proportional to 123,705.80, 185,568.72 and 34,960.04 is: 52,442.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,705.80 : 185,568.72 = 34,960.04 : x
  2. Step 2: Convert to fraction form
    123,705.80/185,568.72 = 34,960.04/x
  3. Step 3: Cross multiply
    123,705.80x = 185,568.72 × 34,960.04
  4. Step 4: Simplify right side
    123,705.80x = 6,487,489,873.95
  5. Step 5: Solve for x
    x = 6,487,489,873.95/123,705.80
  6. Step 6: Final answer
    x = 52,442.89

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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.