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Finding the Fourth Proportional to 107,363.12, 160,978.53 and 36,279.04

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Solution

The fourth proportional to 107,363.12, 160,978.53 and 36,279.04 is: 54,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,363.12 : 160,978.53 = 36,279.04 : x
  2. Step 2: Convert to fraction form
    107,363.12/160,978.53 = 36,279.04/x
  3. Step 3: Cross multiply
    107,363.12x = 160,978.53 × 36,279.04
  4. Step 4: Simplify right side
    107,363.12x = 5,840,146,851.01
  5. Step 5: Solve for x
    x = 5,840,146,851.01/107,363.12
  6. Step 6: Final answer
    x = 54,396.21

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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.