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Finding the Fourth Proportional to 88,566, 122,221.08 and 55,032

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Solution

The fourth proportional to 88,566, 122,221.08 and 55,032 is: 75,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,566 : 122,221.08 = 55,032 : x
  2. Step 2: Convert to fraction form
    88,566/122,221.08 = 55,032/x
  3. Step 3: Cross multiply
    88,566x = 122,221.08 × 55,032
  4. Step 4: Simplify right side
    88,566x = 6,726,070,474.56
  5. Step 5: Solve for x
    x = 6,726,070,474.56/88,566
  6. Step 6: Final answer
    x = 75,944.16

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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.