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Finding the Fourth Proportional to 44,377.20, 66,436.20 and 43,081.20

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Solution

The fourth proportional to 44,377.20, 66,436.20 and 43,081.20 is: 64,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,377.20 : 66,436.20 = 43,081.20 : x
  2. Step 2: Convert to fraction form
    44,377.20/66,436.20 = 43,081.20/x
  3. Step 3: Cross multiply
    44,377.20x = 66,436.20 × 43,081.20
  4. Step 4: Simplify right side
    44,377.20x = 2,862,151,219.44
  5. Step 5: Solve for x
    x = 2,862,151,219.44/44,377.20
  6. Step 6: Final answer
    x = 64,495.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.