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Finding the Fourth Proportional to 95,879.32, 143,893.24 and 77,205.08

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Solution

The fourth proportional to 95,879.32, 143,893.24 and 77,205.08 is: 115,867.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,879.32 : 143,893.24 = 77,205.08 : x
  2. Step 2: Convert to fraction form
    95,879.32/143,893.24 = 77,205.08/x
  3. Step 3: Cross multiply
    95,879.32x = 143,893.24 × 77,205.08
  4. Step 4: Simplify right side
    95,879.32x = 11,109,289,272.38
  5. Step 5: Solve for x
    x = 11,109,289,272.38/95,879.32
  6. Step 6: Final answer
    x = 115,867.42

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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.