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Finding the Fourth Proportional to 80,029.78, 119,948.78 and 37,277.57

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Solution

The fourth proportional to 80,029.78, 119,948.78 and 37,277.57 is: 55,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,029.78 : 119,948.78 = 37,277.57 : x
  2. Step 2: Convert to fraction form
    80,029.78/119,948.78 = 37,277.57/x
  3. Step 3: Cross multiply
    80,029.78x = 119,948.78 × 37,277.57
  4. Step 4: Simplify right side
    80,029.78x = 4,471,399,435.93
  5. Step 5: Solve for x
    x = 4,471,399,435.93/80,029.78
  6. Step 6: Final answer
    x = 55,871.70

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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.