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Finding the Fourth Proportional to 154,476.74, 231,719.17 and 49,295.60

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Solution

The fourth proportional to 154,476.74, 231,719.17 and 49,295.60 is: 73,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,476.74 : 231,719.17 = 49,295.60 : x
  2. Step 2: Convert to fraction form
    154,476.74/231,719.17 = 49,295.60/x
  3. Step 3: Cross multiply
    154,476.74x = 231,719.17 × 49,295.60
  4. Step 4: Simplify right side
    154,476.74x = 11,422,735,516.65
  5. Step 5: Solve for x
    x = 11,422,735,516.65/154,476.74
  6. Step 6: Final answer
    x = 73,944.70

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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.