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Finding the Fourth Proportional to 74,445.89, 102,724.40 and 44,232.48

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Solution

The fourth proportional to 74,445.89, 102,724.40 and 44,232.48 is: 61,034.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,445.89 : 102,724.40 = 44,232.48 : x
  2. Step 2: Convert to fraction form
    74,445.89/102,724.40 = 44,232.48/x
  3. Step 3: Cross multiply
    74,445.89x = 102,724.40 × 44,232.48
  4. Step 4: Simplify right side
    74,445.89x = 4,543,755,079.09
  5. Step 5: Solve for x
    x = 4,543,755,079.09/74,445.89
  6. Step 6: Final answer
    x = 61,034.33

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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.