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Finding the Fourth Proportional to 188,251.97, 282,315.32 and 75,903.17

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Solution

The fourth proportional to 188,251.97, 282,315.32 and 75,903.17 is: 113,829.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,251.97 : 282,315.32 = 75,903.17 : x
  2. Step 2: Convert to fraction form
    188,251.97/282,315.32 = 75,903.17/x
  3. Step 3: Cross multiply
    188,251.97x = 282,315.32 × 75,903.17
  4. Step 4: Simplify right side
    188,251.97x = 21,428,627,348.05
  5. Step 5: Solve for x
    x = 21,428,627,348.05/188,251.97
  6. Step 6: Final answer
    x = 113,829.50

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1.5x scale

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.