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Finding the Fourth Proportional to 200,552.22, 300,832.65 and 67,436.70

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Solution

The fourth proportional to 200,552.22, 300,832.65 and 67,436.70 is: 101,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,552.22 : 300,832.65 = 67,436.70 : x
  2. Step 2: Convert to fraction form
    200,552.22/300,832.65 = 67,436.70/x
  3. Step 3: Cross multiply
    200,552.22x = 300,832.65 × 67,436.70
  4. Step 4: Simplify right side
    200,552.22x = 20,287,161,168.26
  5. Step 5: Solve for x
    x = 20,287,161,168.26/200,552.22
  6. Step 6: Final answer
    x = 101,156.50

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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.