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Finding the Fourth Proportional to 96,881.56, 144,761.31 and 74,268.52

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Solution

The fourth proportional to 96,881.56, 144,761.31 and 74,268.52 is: 110,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,881.56 : 144,761.31 = 74,268.52 : x
  2. Step 2: Convert to fraction form
    96,881.56/144,761.31 = 74,268.52/x
  3. Step 3: Cross multiply
    96,881.56x = 144,761.31 × 74,268.52
  4. Step 4: Simplify right side
    96,881.56x = 10,751,208,246.96
  5. Step 5: Solve for x
    x = 10,751,208,246.96/96,881.56
  6. Step 6: Final answer
    x = 110,972.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.