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Finding the Fourth Proportional to 200,473.92, 276,605.28 and 111,049.92

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Solution

The fourth proportional to 200,473.92, 276,605.28 and 111,049.92 is: 153,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,473.92 : 276,605.28 = 111,049.92 : x
  2. Step 2: Convert to fraction form
    200,473.92/276,605.28 = 111,049.92/x
  3. Step 3: Cross multiply
    200,473.92x = 276,605.28 × 111,049.92
  4. Step 4: Simplify right side
    200,473.92x = 30,716,994,215.58
  5. Step 5: Solve for x
    x = 30,716,994,215.58/200,473.92
  6. Step 6: Final answer
    x = 153,221.90

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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.