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Finding the Fourth Proportional to 230,202.12, 345,332.34 and 63,990.12

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Solution

The fourth proportional to 230,202.12, 345,332.34 and 63,990.12 is: 95,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,202.12 : 345,332.34 = 63,990.12 : x
  2. Step 2: Convert to fraction form
    230,202.12/345,332.34 = 63,990.12/x
  3. Step 3: Cross multiply
    230,202.12x = 345,332.34 × 63,990.12
  4. Step 4: Simplify right side
    230,202.12x = 22,097,857,876.48
  5. Step 5: Solve for x
    x = 22,097,857,876.48/230,202.12
  6. Step 6: Final answer
    x = 95,993.29

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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.