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Finding the Fourth Proportional to 89,474.92, 123,470.64 and 49,180.93

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Solution

The fourth proportional to 89,474.92, 123,470.64 and 49,180.93 is: 67,867.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,474.92 : 123,470.64 = 49,180.93 : x
  2. Step 2: Convert to fraction form
    89,474.92/123,470.64 = 49,180.93/x
  3. Step 3: Cross multiply
    89,474.92x = 123,470.64 × 49,180.93
  4. Step 4: Simplify right side
    89,474.92x = 6,072,400,594.22
  5. Step 5: Solve for x
    x = 6,072,400,594.22/89,474.92
  6. Step 6: Final answer
    x = 67,867.07

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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.