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Finding the Fourth Proportional to 185,998.84, 279,034.18 and 79,381.24

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Solution

The fourth proportional to 185,998.84, 279,034.18 and 79,381.24 is: 119,087.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,998.84 : 279,034.18 = 79,381.24 : x
  2. Step 2: Convert to fraction form
    185,998.84/279,034.18 = 79,381.24/x
  3. Step 3: Cross multiply
    185,998.84x = 279,034.18 × 79,381.24
  4. Step 4: Simplify right side
    185,998.84x = 22,150,079,210.78
  5. Step 5: Solve for x
    x = 22,150,079,210.78/185,998.84
  6. Step 6: Final answer
    x = 119,087.19

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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.