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Finding the Fourth Proportional to 88,632.44, 122,357.92 and 68,444

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Solution

The fourth proportional to 88,632.44, 122,357.92 and 68,444 is: 94,487.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,632.44 : 122,357.92 = 68,444 : x
  2. Step 2: Convert to fraction form
    88,632.44/122,357.92 = 68,444/x
  3. Step 3: Cross multiply
    88,632.44x = 122,357.92 × 68,444
  4. Step 4: Simplify right side
    88,632.44x = 8,374,665,476.48
  5. Step 5: Solve for x
    x = 8,374,665,476.48/88,632.44
  6. Step 6: Final answer
    x = 94,487.59

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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.