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Finding the Fourth Proportional to 88,683.78, 122,382.56 and 48,398.22

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Solution

The fourth proportional to 88,683.78, 122,382.56 and 48,398.22 is: 66,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,683.78 : 122,382.56 = 48,398.22 : x
  2. Step 2: Convert to fraction form
    88,683.78/122,382.56 = 48,398.22/x
  3. Step 3: Cross multiply
    88,683.78x = 122,382.56 × 48,398.22
  4. Step 4: Simplify right side
    88,683.78x = 5,923,098,063.04
  5. Step 5: Solve for x
    x = 5,923,098,063.04/88,683.78
  6. Step 6: Final answer
    x = 66,788.97

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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.