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Finding the Fourth Proportional to 174,377.81, 261,569.15 and 49,718.81

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Solution

The fourth proportional to 174,377.81, 261,569.15 and 49,718.81 is: 74,578.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,377.81 : 261,569.15 = 49,718.81 : x
  2. Step 2: Convert to fraction form
    174,377.81/261,569.15 = 49,718.81/x
  3. Step 3: Cross multiply
    174,377.81x = 261,569.15 × 49,718.81
  4. Step 4: Simplify right side
    174,377.81x = 13,004,907,462.49
  5. Step 5: Solve for x
    x = 13,004,907,462.49/174,377.81
  6. Step 6: Final answer
    x = 74,578.91

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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.