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Finding the Fourth Proportional to 80,657.66, 111,308.85 and 44,360.69

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Solution

The fourth proportional to 80,657.66, 111,308.85 and 44,360.69 is: 61,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,657.66 : 111,308.85 = 44,360.69 : x
  2. Step 2: Convert to fraction form
    80,657.66/111,308.85 = 44,360.69/x
  3. Step 3: Cross multiply
    80,657.66x = 111,308.85 × 44,360.69
  4. Step 4: Simplify right side
    80,657.66x = 4,937,737,167.30
  5. Step 5: Solve for x
    x = 4,937,737,167.30/80,657.66
  6. Step 6: Final answer
    x = 61,218.46

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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.