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Finding the Fourth Proportional to 95,994.70, 143,879.91 and 72,225.88

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Solution

The fourth proportional to 95,994.70, 143,879.91 and 72,225.88 is: 108,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,994.70 : 143,879.91 = 72,225.88 : x
  2. Step 2: Convert to fraction form
    95,994.70/143,879.91 = 72,225.88/x
  3. Step 3: Cross multiply
    95,994.70x = 143,879.91 × 72,225.88
  4. Step 4: Simplify right side
    95,994.70x = 10,391,853,114.07
  5. Step 5: Solve for x
    x = 10,391,853,114.07/95,994.70
  6. Step 6: Final answer
    x = 108,254.45

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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.