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Finding the Fourth Proportional to 199,542.02, 299,144.49 and 92,870.93

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Solution

The fourth proportional to 199,542.02, 299,144.49 and 92,870.93 is: 139,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,542.02 : 299,144.49 = 92,870.93 : x
  2. Step 2: Convert to fraction form
    199,542.02/299,144.49 = 92,870.93/x
  3. Step 3: Cross multiply
    199,542.02x = 299,144.49 × 92,870.93
  4. Step 4: Simplify right side
    199,542.02x = 27,781,826,990.68
  5. Step 5: Solve for x
    x = 27,781,826,990.68/199,542.02
  6. Step 6: Final answer
    x = 139,227.95

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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.