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Finding the Fourth Proportional to 150,079.12, 206,944.32 and 96,343.84

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Solution

The fourth proportional to 150,079.12, 206,944.32 and 96,343.84 is: 132,848.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,079.12 : 206,944.32 = 96,343.84 : x
  2. Step 2: Convert to fraction form
    150,079.12/206,944.32 = 96,343.84/x
  3. Step 3: Cross multiply
    150,079.12x = 206,944.32 × 96,343.84
  4. Step 4: Simplify right side
    150,079.12x = 19,937,810,454.99
  5. Step 5: Solve for x
    x = 19,937,810,454.99/150,079.12
  6. Step 6: Final answer
    x = 132,848.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.