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Finding the Fourth Proportional to 73,371.28, 110,100.64 and 26,627.80

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Solution

The fourth proportional to 73,371.28, 110,100.64 and 26,627.80 is: 39,957.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,371.28 : 110,100.64 = 26,627.80 : x
  2. Step 2: Convert to fraction form
    73,371.28/110,100.64 = 26,627.80/x
  3. Step 3: Cross multiply
    73,371.28x = 110,100.64 × 26,627.80
  4. Step 4: Simplify right side
    73,371.28x = 2,931,737,821.79
  5. Step 5: Solve for x
    x = 2,931,737,821.79/73,371.28
  6. Step 6: Final answer
    x = 39,957.57

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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.