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Finding the Fourth Proportional to 192,024.80, 287,648.40 and 132,927.20

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Solution

The fourth proportional to 192,024.80, 287,648.40 and 132,927.20 is: 199,121.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,024.80 : 287,648.40 = 132,927.20 : x
  2. Step 2: Convert to fraction form
    192,024.80/287,648.40 = 132,927.20/x
  3. Step 3: Cross multiply
    192,024.80x = 287,648.40 × 132,927.20
  4. Step 4: Simplify right side
    192,024.80x = 38,236,296,396.48
  5. Step 5: Solve for x
    x = 38,236,296,396.48/192,024.80
  6. Step 6: Final answer
    x = 199,121.66

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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.