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Finding the Fourth Proportional to 78,517.96, 108,358.58 and 44,984.04

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Solution

The fourth proportional to 78,517.96, 108,358.58 and 44,984.04 is: 62,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,517.96 : 108,358.58 = 44,984.04 : x
  2. Step 2: Convert to fraction form
    78,517.96/108,358.58 = 44,984.04/x
  3. Step 3: Cross multiply
    78,517.96x = 108,358.58 × 44,984.04
  4. Step 4: Simplify right side
    78,517.96x = 4,874,406,697.06
  5. Step 5: Solve for x
    x = 4,874,406,697.06/78,517.96
  6. Step 6: Final answer
    x = 62,080.15

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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.