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Finding the Fourth Proportional to 200,550.80, 300,907.20 and 88,252.40

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Solution

The fourth proportional to 200,550.80, 300,907.20 and 88,252.40 is: 132,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,550.80 : 300,907.20 = 88,252.40 : x
  2. Step 2: Convert to fraction form
    200,550.80/300,907.20 = 88,252.40/x
  3. Step 3: Cross multiply
    200,550.80x = 300,907.20 × 88,252.40
  4. Step 4: Simplify right side
    200,550.80x = 26,555,782,577.28
  5. Step 5: Solve for x
    x = 26,555,782,577.28/200,550.80
  6. Step 6: Final answer
    x = 132,414.24

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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.