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Finding the Fourth Proportional to 200,249.98, 300,444.17 and 125,280.82

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Solution

The fourth proportional to 200,249.98, 300,444.17 and 125,280.82 is: 187,964.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,249.98 : 300,444.17 = 125,280.82 : x
  2. Step 2: Convert to fraction form
    200,249.98/300,444.17 = 125,280.82/x
  3. Step 3: Cross multiply
    200,249.98x = 300,444.17 × 125,280.82
  4. Step 4: Simplify right side
    200,249.98x = 37,639,891,981.82
  5. Step 5: Solve for x
    x = 37,639,891,981.82/200,249.98
  6. Step 6: Final answer
    x = 187,964.52

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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.