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Finding the Fourth Proportional to 69,307.97, 95,558.31 and 57,839.39

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Solution

The fourth proportional to 69,307.97, 95,558.31 and 57,839.39 is: 79,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,307.97 : 95,558.31 = 57,839.39 : x
  2. Step 2: Convert to fraction form
    69,307.97/95,558.31 = 57,839.39/x
  3. Step 3: Cross multiply
    69,307.97x = 95,558.31 × 57,839.39
  4. Step 4: Simplify right side
    69,307.97x = 5,527,033,882.04
  5. Step 5: Solve for x
    x = 5,527,033,882.04/69,307.97
  6. Step 6: Final answer
    x = 79,746.01

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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.