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Finding the Fourth Proportional to 95,339.52, 143,016.12 and 25,218

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Solution

The fourth proportional to 95,339.52, 143,016.12 and 25,218 is: 37,828.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,339.52 : 143,016.12 = 25,218 : x
  2. Step 2: Convert to fraction form
    95,339.52/143,016.12 = 25,218/x
  3. Step 3: Cross multiply
    95,339.52x = 143,016.12 × 25,218
  4. Step 4: Simplify right side
    95,339.52x = 3,606,580,514.16
  5. Step 5: Solve for x
    x = 3,606,580,514.16/95,339.52
  6. Step 6: Final answer
    x = 37,828.81

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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.