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Finding the Fourth Proportional to 80,959.36, 111,718.62 and 44,658.62

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Solution

The fourth proportional to 80,959.36, 111,718.62 and 44,658.62 is: 61,625.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,959.36 : 111,718.62 = 44,658.62 : x
  2. Step 2: Convert to fraction form
    80,959.36/111,718.62 = 44,658.62/x
  3. Step 3: Cross multiply
    80,959.36x = 111,718.62 × 44,658.62
  4. Step 4: Simplify right side
    80,959.36x = 4,989,199,397.50
  5. Step 5: Solve for x
    x = 4,989,199,397.50/80,959.36
  6. Step 6: Final answer
    x = 61,625.97

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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.