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Finding the Fourth Proportional to 101,700.41, 140,329.34 and 67,759.52

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Solution

The fourth proportional to 101,700.41, 140,329.34 and 67,759.52 is: 93,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,700.41 : 140,329.34 = 67,759.52 : x
  2. Step 2: Convert to fraction form
    101,700.41/140,329.34 = 67,759.52/x
  3. Step 3: Cross multiply
    101,700.41x = 140,329.34 × 67,759.52
  4. Step 4: Simplify right side
    101,700.41x = 9,508,648,720.32
  5. Step 5: Solve for x
    x = 9,508,648,720.32/101,700.41
  6. Step 6: Final answer
    x = 93,496.66

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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.