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Finding the Fourth Proportional to 119,876.70, 179,757.57 and 56,644.17

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Solution

The fourth proportional to 119,876.70, 179,757.57 and 56,644.17 is: 84,939.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,876.70 : 179,757.57 = 56,644.17 : x
  2. Step 2: Convert to fraction form
    119,876.70/179,757.57 = 56,644.17/x
  3. Step 3: Cross multiply
    119,876.70x = 179,757.57 × 56,644.17
  4. Step 4: Simplify right side
    119,876.70x = 10,182,218,353.87
  5. Step 5: Solve for x
    x = 10,182,218,353.87/119,876.70
  6. Step 6: Final answer
    x = 84,939.09

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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.