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Finding the Fourth Proportional to 80,072.25, 110,498.90 and 44,260.53

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Solution

The fourth proportional to 80,072.25, 110,498.90 and 44,260.53 is: 61,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,072.25 : 110,498.90 = 44,260.53 : x
  2. Step 2: Convert to fraction form
    80,072.25/110,498.90 = 44,260.53/x
  3. Step 3: Cross multiply
    80,072.25x = 110,498.90 × 44,260.53
  4. Step 4: Simplify right side
    80,072.25x = 4,890,739,657.11
  5. Step 5: Solve for x
    x = 4,890,739,657.11/80,072.25
  6. Step 6: Final answer
    x = 61,079.08

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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.