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Finding the Fourth Proportional to 95,910.78, 143,693.80 and 56,446.37

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Solution

The fourth proportional to 95,910.78, 143,693.80 and 56,446.37 is: 84,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,910.78 : 143,693.80 = 56,446.37 : x
  2. Step 2: Convert to fraction form
    95,910.78/143,693.80 = 56,446.37/x
  3. Step 3: Cross multiply
    95,910.78x = 143,693.80 × 56,446.37
  4. Step 4: Simplify right side
    95,910.78x = 8,110,993,080.77
  5. Step 5: Solve for x
    x = 8,110,993,080.77/95,910.78
  6. Step 6: Final answer
    x = 84,568.10

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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.