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Finding the Fourth Proportional to 60,869.97, 91,177.98 and 48,959.42

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Solution

The fourth proportional to 60,869.97, 91,177.98 and 48,959.42 is: 73,336.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,869.97 : 91,177.98 = 48,959.42 : x
  2. Step 2: Convert to fraction form
    60,869.97/91,177.98 = 48,959.42/x
  3. Step 3: Cross multiply
    60,869.97x = 91,177.98 × 48,959.42
  4. Step 4: Simplify right side
    60,869.97x = 4,464,020,561.68
  5. Step 5: Solve for x
    x = 4,464,020,561.68/60,869.97
  6. Step 6: Final answer
    x = 73,336.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.