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Finding the Fourth Proportional to 199,651.61, 299,491.77 and 62,862.95

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Solution

The fourth proportional to 199,651.61, 299,491.77 and 62,862.95 is: 94,298.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,651.61 : 299,491.77 = 62,862.95 : x
  2. Step 2: Convert to fraction form
    199,651.61/299,491.77 = 62,862.95/x
  3. Step 3: Cross multiply
    199,651.61x = 299,491.77 × 62,862.95
  4. Step 4: Simplify right side
    199,651.61x = 18,826,936,162.92
  5. Step 5: Solve for x
    x = 18,826,936,162.92/199,651.61
  6. Step 6: Final answer
    x = 94,298.94

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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.