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Finding the Fourth Proportional to 80,650.64, 111,271.80 and 44,833.76

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Solution

The fourth proportional to 80,650.64, 111,271.80 and 44,833.76 is: 61,856.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,650.64 : 111,271.80 = 44,833.76 : x
  2. Step 2: Convert to fraction form
    80,650.64/111,271.80 = 44,833.76/x
  3. Step 3: Cross multiply
    80,650.64x = 111,271.80 × 44,833.76
  4. Step 4: Simplify right side
    80,650.64x = 4,988,733,175.97
  5. Step 5: Solve for x
    x = 4,988,733,175.97/80,650.64
  6. Step 6: Final answer
    x = 61,856.09

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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.