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Finding the Fourth Proportional to 72,398.44, 108,449.83 and 37,264.29

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Solution

The fourth proportional to 72,398.44, 108,449.83 and 37,264.29 is: 55,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,398.44 : 108,449.83 = 37,264.29 : x
  2. Step 2: Convert to fraction form
    72,398.44/108,449.83 = 37,264.29/x
  3. Step 3: Cross multiply
    72,398.44x = 108,449.83 × 37,264.29
  4. Step 4: Simplify right side
    72,398.44x = 4,041,305,915.57
  5. Step 5: Solve for x
    x = 4,041,305,915.57/72,398.44
  6. Step 6: Final answer
    x = 55,820.35

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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.