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Finding the Fourth Proportional to 109,760.52, 151,472.49 and 62,012.85

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Solution

The fourth proportional to 109,760.52, 151,472.49 and 62,012.85 is: 85,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,760.52 : 151,472.49 = 62,012.85 : x
  2. Step 2: Convert to fraction form
    109,760.52/151,472.49 = 62,012.85/x
  3. Step 3: Cross multiply
    109,760.52x = 151,472.49 × 62,012.85
  4. Step 4: Simplify right side
    109,760.52x = 9,393,240,801.50
  5. Step 5: Solve for x
    x = 9,393,240,801.50/109,760.52
  6. Step 6: Final answer
    x = 85,579.41

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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.