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Finding the Fourth Proportional to 88,350, 121,923 and 48,606

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Solution

The fourth proportional to 88,350, 121,923 and 48,606 is: 67,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,350 : 121,923 = 48,606 : x
  2. Step 2: Convert to fraction form
    88,350/121,923 = 48,606/x
  3. Step 3: Cross multiply
    88,350x = 121,923 × 48,606
  4. Step 4: Simplify right side
    88,350x = 5,926,189,338
  5. Step 5: Solve for x
    x = 5,926,189,338/88,350
  6. Step 6: Final answer
    x = 67,076.28

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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.