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Finding the Fourth Proportional to 88,773.54, 122,510.40 and 48,489.68

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Solution

The fourth proportional to 88,773.54, 122,510.40 and 48,489.68 is: 66,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,773.54 : 122,510.40 = 48,489.68 : x
  2. Step 2: Convert to fraction form
    88,773.54/122,510.40 = 48,489.68/x
  3. Step 3: Cross multiply
    88,773.54x = 122,510.40 × 48,489.68
  4. Step 4: Simplify right side
    88,773.54x = 5,940,490,092.67
  5. Step 5: Solve for x
    x = 5,940,490,092.67/88,773.54
  6. Step 6: Final answer
    x = 66,917.35

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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.