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Finding the Fourth Proportional to 80,371.95, 110,915.91 and 44,565.30

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Solution

The fourth proportional to 80,371.95, 110,915.91 and 44,565.30 is: 61,501.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,371.95 : 110,915.91 = 44,565.30 : x
  2. Step 2: Convert to fraction form
    80,371.95/110,915.91 = 44,565.30/x
  3. Step 3: Cross multiply
    80,371.95x = 110,915.91 × 44,565.30
  4. Step 4: Simplify right side
    80,371.95x = 4,943,000,803.92
  5. Step 5: Solve for x
    x = 4,943,000,803.92/80,371.95
  6. Step 6: Final answer
    x = 61,501.57

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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.