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Finding the Fourth Proportional to 88,940.19, 122,766.62 and 63,862.59

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Solution

The fourth proportional to 88,940.19, 122,766.62 and 63,862.59 is: 88,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,940.19 : 122,766.62 = 63,862.59 : x
  2. Step 2: Convert to fraction form
    88,940.19/122,766.62 = 63,862.59/x
  3. Step 3: Cross multiply
    88,940.19x = 122,766.62 × 63,862.59
  4. Step 4: Simplify right side
    88,940.19x = 7,840,194,318.75
  5. Step 5: Solve for x
    x = 7,840,194,318.75/88,940.19
  6. Step 6: Final answer
    x = 88,151.31

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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.