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Finding the Fourth Proportional to 136,432.24, 204,776.34 and 83,944.24

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Solution

The fourth proportional to 136,432.24, 204,776.34 and 83,944.24 is: 125,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,432.24 : 204,776.34 = 83,944.24 : x
  2. Step 2: Convert to fraction form
    136,432.24/204,776.34 = 83,944.24/x
  3. Step 3: Cross multiply
    136,432.24x = 204,776.34 × 83,944.24
  4. Step 4: Simplify right side
    136,432.24x = 17,189,794,231.28
  5. Step 5: Solve for x
    x = 17,189,794,231.28/136,432.24
  6. Step 6: Final answer
    x = 125,995.10

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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.