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Finding the Fourth Proportional to 78,793.44, 108,730.53 and 44,797.13

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Solution

The fourth proportional to 78,793.44, 108,730.53 and 44,797.13 is: 61,817.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,793.44 : 108,730.53 = 44,797.13 : x
  2. Step 2: Convert to fraction form
    78,793.44/108,730.53 = 44,797.13/x
  3. Step 3: Cross multiply
    78,793.44x = 108,730.53 × 44,797.13
  4. Step 4: Simplify right side
    78,793.44x = 4,870,815,687.38
  5. Step 5: Solve for x
    x = 4,870,815,687.38/78,793.44
  6. Step 6: Final answer
    x = 61,817.53

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Find fourth proportional to 78,794.44, 108,731.91 and 44,798.13
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1.5x scale

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.