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Finding the Fourth Proportional to 180,447.78, 248,866.92 and 135,231.96

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Solution

The fourth proportional to 180,447.78, 248,866.92 and 135,231.96 is: 186,506.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,447.78 : 248,866.92 = 135,231.96 : x
  2. Step 2: Convert to fraction form
    180,447.78/248,866.92 = 135,231.96/x
  3. Step 3: Cross multiply
    180,447.78x = 248,866.92 × 135,231.96
  4. Step 4: Simplify right side
    180,447.78x = 33,654,761,370.76
  5. Step 5: Solve for x
    x = 33,654,761,370.76/180,447.78
  6. Step 6: Final answer
    x = 186,506.93

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1.5x scale

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.