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Finding the Fourth Proportional to 179,488.91, 247,696.38 and 98,919.33

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Solution

The fourth proportional to 179,488.91, 247,696.38 and 98,919.33 is: 136,509.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,488.91 : 247,696.38 = 98,919.33 : x
  2. Step 2: Convert to fraction form
    179,488.91/247,696.38 = 98,919.33/x
  3. Step 3: Cross multiply
    179,488.91x = 247,696.38 × 98,919.33
  4. Step 4: Simplify right side
    179,488.91x = 24,501,959,953.03
  5. Step 5: Solve for x
    x = 24,501,959,953.03/179,488.91
  6. Step 6: Final answer
    x = 136,509.61

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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.