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Finding the Fourth Proportional to 180,358.60, 248,815.38 and 108,696.28

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Solution

The fourth proportional to 180,358.60, 248,815.38 and 108,696.28 is: 149,952.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,358.60 : 248,815.38 = 108,696.28 : x
  2. Step 2: Convert to fraction form
    180,358.60/248,815.38 = 108,696.28/x
  3. Step 3: Cross multiply
    180,358.60x = 248,815.38 × 108,696.28
  4. Step 4: Simplify right side
    180,358.60x = 27,045,306,212.79
  5. Step 5: Solve for x
    x = 27,045,306,212.79/180,358.60
  6. Step 6: Final answer
    x = 149,952.96

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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.