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Finding the Fourth Proportional to 80,315.52, 110,837.84 and 44,502.16

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Solution

The fourth proportional to 80,315.52, 110,837.84 and 44,502.16 is: 61,414.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,315.52 : 110,837.84 = 44,502.16 : x
  2. Step 2: Convert to fraction form
    80,315.52/110,837.84 = 44,502.16/x
  3. Step 3: Cross multiply
    80,315.52x = 110,837.84 × 44,502.16
  4. Step 4: Simplify right side
    80,315.52x = 4,932,523,289.73
  5. Step 5: Solve for x
    x = 4,932,523,289.73/80,315.52
  6. Step 6: Final answer
    x = 61,414.32

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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.