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Finding the Fourth Proportional to 73,251.81, 109,877.72 and 26,493.75

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Solution

The fourth proportional to 73,251.81, 109,877.72 and 26,493.75 is: 39,740.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,251.81 : 109,877.72 = 26,493.75 : x
  2. Step 2: Convert to fraction form
    73,251.81/109,877.72 = 26,493.75/x
  3. Step 3: Cross multiply
    73,251.81x = 109,877.72 × 26,493.75
  4. Step 4: Simplify right side
    73,251.81x = 2,911,072,711.78
  5. Step 5: Solve for x
    x = 2,911,072,711.78/73,251.81
  6. Step 6: Final answer
    x = 39,740.63

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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.