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Finding the Fourth Proportional to 95,159.64, 131,315.94 and 52,138.92

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Solution

The fourth proportional to 95,159.64, 131,315.94 and 52,138.92 is: 71,949.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,159.64 : 131,315.94 = 52,138.92 : x
  2. Step 2: Convert to fraction form
    95,159.64/131,315.94 = 52,138.92/x
  3. Step 3: Cross multiply
    95,159.64x = 131,315.94 × 52,138.92
  4. Step 4: Simplify right side
    95,159.64x = 6,846,671,290.38
  5. Step 5: Solve for x
    x = 6,846,671,290.38/95,159.64
  6. Step 6: Final answer
    x = 71,949.32

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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.