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Finding the Fourth Proportional to 88,860.62, 122,548.22 and 73,729.32

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Solution

The fourth proportional to 88,860.62, 122,548.22 and 73,729.32 is: 101,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,860.62 : 122,548.22 = 73,729.32 : x
  2. Step 2: Convert to fraction form
    88,860.62/122,548.22 = 73,729.32/x
  3. Step 3: Cross multiply
    88,860.62x = 122,548.22 × 73,729.32
  4. Step 4: Simplify right side
    88,860.62x = 9,035,396,927.81
  5. Step 5: Solve for x
    x = 9,035,396,927.81/88,860.62
  6. Step 6: Final answer
    x = 101,680.55

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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.