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Finding the Fourth Proportional to 80,708.59, 111,374.35 and 44,898.90

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Solution

The fourth proportional to 80,708.59, 111,374.35 and 44,898.90 is: 61,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,708.59 : 111,374.35 = 44,898.90 : x
  2. Step 2: Convert to fraction form
    80,708.59/111,374.35 = 44,898.90/x
  3. Step 3: Cross multiply
    80,708.59x = 111,374.35 × 44,898.90
  4. Step 4: Simplify right side
    80,708.59x = 5,000,585,803.22
  5. Step 5: Solve for x
    x = 5,000,585,803.22/80,708.59
  6. Step 6: Final answer
    x = 61,958.53

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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.