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Finding the Fourth Proportional to 95,637, 143,472.60 and 39,445.86

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Solution

The fourth proportional to 95,637, 143,472.60 and 39,445.86 is: 59,175.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,637 : 143,472.60 = 39,445.86 : x
  2. Step 2: Convert to fraction form
    95,637/143,472.60 = 39,445.86/x
  3. Step 3: Cross multiply
    95,637x = 143,472.60 × 39,445.86
  4. Step 4: Simplify right side
    95,637x = 5,659,400,093.44
  5. Step 5: Solve for x
    x = 5,659,400,093.44/95,637
  6. Step 6: Final answer
    x = 59,175.84

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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.