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Finding the Fourth Proportional to 80,348.01, 110,868.60 and 44,538

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Solution

The fourth proportional to 80,348.01, 110,868.60 and 44,538 is: 61,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,348.01 : 110,868.60 = 44,538 : x
  2. Step 2: Convert to fraction form
    80,348.01/110,868.60 = 44,538/x
  3. Step 3: Cross multiply
    80,348.01x = 110,868.60 × 44,538
  4. Step 4: Simplify right side
    80,348.01x = 4,937,865,706.80
  5. Step 5: Solve for x
    x = 4,937,865,706.80/80,348.01
  6. Step 6: Final answer
    x = 61,455.98

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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.