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Finding the Fourth Proportional to 174,377.57, 261,568.78 and 49,718.57

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Solution

The fourth proportional to 174,377.57, 261,568.78 and 49,718.57 is: 74,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,377.57 : 261,568.78 = 49,718.57 : x
  2. Step 2: Convert to fraction form
    174,377.57/261,568.78 = 49,718.57/x
  3. Step 3: Cross multiply
    174,377.57x = 261,568.78 × 49,718.57
  4. Step 4: Simplify right side
    174,377.57x = 13,004,824,390.40
  5. Step 5: Solve for x
    x = 13,004,824,390.40/174,377.57
  6. Step 6: Final answer
    x = 74,578.54

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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.