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Finding the Fourth Proportional to 88,902.54, 122,684.61 and 48,615.87

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Solution

The fourth proportional to 88,902.54, 122,684.61 and 48,615.87 is: 67,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,902.54 : 122,684.61 = 48,615.87 : x
  2. Step 2: Convert to fraction form
    88,902.54/122,684.61 = 48,615.87/x
  3. Step 3: Cross multiply
    88,902.54x = 122,684.61 × 48,615.87
  4. Step 4: Simplify right side
    88,902.54x = 5,964,419,050.76
  5. Step 5: Solve for x
    x = 5,964,419,050.76/88,902.54
  6. Step 6: Final answer
    x = 67,089.41

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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.