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Finding the Fourth Proportional to 80,765.60, 111,460.19 and 44,957.90

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Solution

The fourth proportional to 80,765.60, 111,460.19 and 44,957.90 is: 62,043.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,765.60 : 111,460.19 = 44,957.90 : x
  2. Step 2: Convert to fraction form
    80,765.60/111,460.19 = 44,957.90/x
  3. Step 3: Cross multiply
    80,765.60x = 111,460.19 × 44,957.90
  4. Step 4: Simplify right side
    80,765.60x = 5,011,015,293.91
  5. Step 5: Solve for x
    x = 5,011,015,293.91/80,765.60
  6. Step 6: Final answer
    x = 62,043.93

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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.