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Finding the Fourth Proportional to 80,649.68, 111,300.48 and 44,838.92

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Solution

The fourth proportional to 80,649.68, 111,300.48 and 44,838.92 is: 61,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,649.68 : 111,300.48 = 44,838.92 : x
  2. Step 2: Convert to fraction form
    80,649.68/111,300.48 = 44,838.92/x
  3. Step 3: Cross multiply
    80,649.68x = 111,300.48 × 44,838.92
  4. Step 4: Simplify right side
    80,649.68x = 4,990,593,318.68
  5. Step 5: Solve for x
    x = 4,990,593,318.68/80,649.68
  6. Step 6: Final answer
    x = 61,879.89

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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.