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Finding the Fourth Proportional to 95,395, 131,638.51 and 52,950.19

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Solution

The fourth proportional to 95,395, 131,638.51 and 52,950.19 is: 73,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,395 : 131,638.51 = 52,950.19 : x
  2. Step 2: Convert to fraction form
    95,395/131,638.51 = 52,950.19/x
  3. Step 3: Cross multiply
    95,395x = 131,638.51 × 52,950.19
  4. Step 4: Simplify right side
    95,395x = 6,970,284,115.82
  5. Step 5: Solve for x
    x = 6,970,284,115.82/95,395
  6. Step 6: Final answer
    x = 73,067.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.