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Finding the Fourth Proportional to 95,698.63, 143,494.89 and 38,721.07

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Solution

The fourth proportional to 95,698.63, 143,494.89 and 38,721.07 is: 58,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,698.63 : 143,494.89 = 38,721.07 : x
  2. Step 2: Convert to fraction form
    95,698.63/143,494.89 = 38,721.07/x
  3. Step 3: Cross multiply
    95,698.63x = 143,494.89 × 38,721.07
  4. Step 4: Simplify right side
    95,698.63x = 5,556,275,680.33
  5. Step 5: Solve for x
    x = 5,556,275,680.33/95,698.63
  6. Step 6: Final answer
    x = 58,060.14

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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.