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Finding the Fourth Proportional to 95,691, 143,566.74 and 43,105.08

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Solution

The fourth proportional to 95,691, 143,566.74 and 43,105.08 is: 64,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,691 : 143,566.74 = 43,105.08 : x
  2. Step 2: Convert to fraction form
    95,691/143,566.74 = 43,105.08/x
  3. Step 3: Cross multiply
    95,691x = 143,566.74 × 43,105.08
  4. Step 4: Simplify right side
    95,691x = 6,188,455,813.04
  5. Step 5: Solve for x
    x = 6,188,455,813.04/95,691
  6. Step 6: Final answer
    x = 64,671.24

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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.