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Finding the Fourth Proportional to 295,012.44, 442,544.16 and 126,540.52

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Solution

The fourth proportional to 295,012.44, 442,544.16 and 126,540.52 is: 189,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,012.44 : 442,544.16 = 126,540.52 : x
  2. Step 2: Convert to fraction form
    295,012.44/442,544.16 = 126,540.52/x
  3. Step 3: Cross multiply
    295,012.44x = 442,544.16 × 126,540.52
  4. Step 4: Simplify right side
    295,012.44x = 55,999,768,129.36
  5. Step 5: Solve for x
    x = 55,999,768,129.36/295,012.44
  6. Step 6: Final answer
    x = 189,821.72

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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.