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Finding the Fourth Proportional to 73,016.73, 100,808.71 and 55,988.26

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Solution

The fourth proportional to 73,016.73, 100,808.71 and 55,988.26 is: 77,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,016.73 : 100,808.71 = 55,988.26 : x
  2. Step 2: Convert to fraction form
    73,016.73/100,808.71 = 55,988.26/x
  3. Step 3: Cross multiply
    73,016.73x = 100,808.71 × 55,988.26
  4. Step 4: Simplify right side
    73,016.73x = 5,644,104,251.78
  5. Step 5: Solve for x
    x = 5,644,104,251.78/73,016.73
  6. Step 6: Final answer
    x = 77,298.78

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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.