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Finding the Fourth Proportional to 77,963.71, 116,947.39 and 25,377.30

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Solution

The fourth proportional to 77,963.71, 116,947.39 and 25,377.30 is: 38,066.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,963.71 : 116,947.39 = 25,377.30 : x
  2. Step 2: Convert to fraction form
    77,963.71/116,947.39 = 25,377.30/x
  3. Step 3: Cross multiply
    77,963.71x = 116,947.39 × 25,377.30
  4. Step 4: Simplify right side
    77,963.71x = 2,967,808,593.42
  5. Step 5: Solve for x
    x = 2,967,808,593.42/77,963.71
  6. Step 6: Final answer
    x = 38,066.54

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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.