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Finding the Fourth Proportional to 88,565.96, 122,219.22 and 48,821.96

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Solution

The fourth proportional to 88,565.96, 122,219.22 and 48,821.96 is: 67,373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,565.96 : 122,219.22 = 48,821.96 : x
  2. Step 2: Convert to fraction form
    88,565.96/122,219.22 = 48,821.96/x
  3. Step 3: Cross multiply
    88,565.96x = 122,219.22 × 48,821.96
  4. Step 4: Simplify right side
    88,565.96x = 5,966,981,870.07
  5. Step 5: Solve for x
    x = 5,966,981,870.07/88,565.96
  6. Step 6: Final answer
    x = 67,373.31

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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.