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Finding the Fourth Proportional to 200,577.87, 300,897.18 and 67,426.02

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Solution

The fourth proportional to 200,577.87, 300,897.18 and 67,426.02 is: 101,149.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,577.87 : 300,897.18 = 67,426.02 : x
  2. Step 2: Convert to fraction form
    200,577.87/300,897.18 = 67,426.02/x
  3. Step 3: Cross multiply
    200,577.87x = 300,897.18 × 67,426.02
  4. Step 4: Simplify right side
    200,577.87x = 20,288,299,276.62
  5. Step 5: Solve for x
    x = 20,288,299,276.62/200,577.87
  6. Step 6: Final answer
    x = 101,149.24

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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.