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Finding the Fourth Proportional to 200,340.56, 300,663.22 and 74,100.24

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Solution

The fourth proportional to 200,340.56, 300,663.22 and 74,100.24 is: 111,206.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,340.56 : 300,663.22 = 74,100.24 : x
  2. Step 2: Convert to fraction form
    200,340.56/300,663.22 = 74,100.24/x
  3. Step 3: Cross multiply
    200,340.56x = 300,663.22 × 74,100.24
  4. Step 4: Simplify right side
    200,340.56x = 22,279,216,761.17
  5. Step 5: Solve for x
    x = 22,279,216,761.17/200,340.56
  6. Step 6: Final answer
    x = 111,206.72

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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.