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Finding the Fourth Proportional to 182,609.65, 252,078.92 and 111,012.54

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Solution

The fourth proportional to 182,609.65, 252,078.92 and 111,012.54 is: 153,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,609.65 : 252,078.92 = 111,012.54 : x
  2. Step 2: Convert to fraction form
    182,609.65/252,078.92 = 111,012.54/x
  3. Step 3: Cross multiply
    182,609.65x = 252,078.92 × 111,012.54
  4. Step 4: Simplify right side
    182,609.65x = 27,983,921,189.66
  5. Step 5: Solve for x
    x = 27,983,921,189.66/182,609.65
  6. Step 6: Final answer
    x = 153,244.48

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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.