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Finding the Fourth Proportional to 235,754.92, 325,348.89 and 145,163.15

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Solution

The fourth proportional to 235,754.92, 325,348.89 and 145,163.15 is: 200,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,754.92 : 325,348.89 = 145,163.15 : x
  2. Step 2: Convert to fraction form
    235,754.92/325,348.89 = 145,163.15/x
  3. Step 3: Cross multiply
    235,754.92x = 325,348.89 × 145,163.15
  4. Step 4: Simplify right side
    235,754.92x = 47,228,668,995.59
  5. Step 5: Solve for x
    x = 47,228,668,995.59/235,754.92
  6. Step 6: Final answer
    x = 200,329.52

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1.5x scale

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.