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Finding the Fourth Proportional to 199,950.57, 299,925.81 and 80,061.48

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Solution

The fourth proportional to 199,950.57, 299,925.81 and 80,061.48 is: 120,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,950.57 : 299,925.81 = 80,061.48 : x
  2. Step 2: Convert to fraction form
    199,950.57/299,925.81 = 80,061.48/x
  3. Step 3: Cross multiply
    199,950.57x = 299,925.81 × 80,061.48
  4. Step 4: Simplify right side
    199,950.57x = 24,012,504,238.80
  5. Step 5: Solve for x
    x = 24,012,504,238.80/199,950.57
  6. Step 6: Final answer
    x = 120,092.20

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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.