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Finding the Fourth Proportional to 89,198.59, 123,093.99 and 48,913.04

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Solution

The fourth proportional to 89,198.59, 123,093.99 and 48,913.04 is: 67,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,198.59 : 123,093.99 = 48,913.04 : x
  2. Step 2: Convert to fraction form
    89,198.59/123,093.99 = 48,913.04/x
  3. Step 3: Cross multiply
    89,198.59x = 123,093.99 × 48,913.04
  4. Step 4: Simplify right side
    89,198.59x = 6,020,900,641.16
  5. Step 5: Solve for x
    x = 6,020,900,641.16/89,198.59
  6. Step 6: Final answer
    x = 67,499.95

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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.