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Finding the Fourth Proportional to 200,314.80, 300,433.86 and 60,073.20

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Solution

The fourth proportional to 200,314.80, 300,433.86 and 60,073.20 is: 90,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,314.80 : 300,433.86 = 60,073.20 : x
  2. Step 2: Convert to fraction form
    200,314.80/300,433.86 = 60,073.20/x
  3. Step 3: Cross multiply
    200,314.80x = 300,433.86 × 60,073.20
  4. Step 4: Simplify right side
    200,314.80x = 18,048,023,358.55
  5. Step 5: Solve for x
    x = 18,048,023,358.55/200,314.80
  6. Step 6: Final answer
    x = 90,098.30

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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.