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Finding the Fourth Proportional to 95,705.74, 143,469.78 and 42,369.27

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Solution

The fourth proportional to 95,705.74, 143,469.78 and 42,369.27 is: 63,514.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,705.74 : 143,469.78 = 42,369.27 : x
  2. Step 2: Convert to fraction form
    95,705.74/143,469.78 = 42,369.27/x
  3. Step 3: Cross multiply
    95,705.74x = 143,469.78 × 42,369.27
  4. Step 4: Simplify right side
    95,705.74x = 6,078,709,128.31
  5. Step 5: Solve for x
    x = 6,078,709,128.31/95,705.74
  6. Step 6: Final answer
    x = 63,514.57

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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.