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Finding the Fourth Proportional to 88,734.69, 122,326.67 and 54,720.33

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Solution

The fourth proportional to 88,734.69, 122,326.67 and 54,720.33 is: 75,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,734.69 : 122,326.67 = 54,720.33 : x
  2. Step 2: Convert to fraction form
    88,734.69/122,326.67 = 54,720.33/x
  3. Step 3: Cross multiply
    88,734.69x = 122,326.67 × 54,720.33
  4. Step 4: Simplify right side
    88,734.69x = 6,693,755,476.60
  5. Step 5: Solve for x
    x = 6,693,755,476.60/88,734.69
  6. Step 6: Final answer
    x = 75,435.61

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1.5x scale

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.