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Finding the Fourth Proportional to 97,254.73, 134,081.54 and 72,952.39

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Solution

The fourth proportional to 97,254.73, 134,081.54 and 72,952.39 is: 100,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,254.73 : 134,081.54 = 72,952.39 : x
  2. Step 2: Convert to fraction form
    97,254.73/134,081.54 = 72,952.39/x
  3. Step 3: Cross multiply
    97,254.73x = 134,081.54 × 72,952.39
  4. Step 4: Simplify right side
    97,254.73x = 9,781,568,797.88
  5. Step 5: Solve for x
    x = 9,781,568,797.88/97,254.73
  6. Step 6: Final answer
    x = 100,576.79

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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.