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Finding the Fourth Proportional to 95,423.80, 131,697.10 and 57,698.08

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Solution

The fourth proportional to 95,423.80, 131,697.10 and 57,698.08 is: 79,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,423.80 : 131,697.10 = 57,698.08 : x
  2. Step 2: Convert to fraction form
    95,423.80/131,697.10 = 57,698.08/x
  3. Step 3: Cross multiply
    95,423.80x = 131,697.10 × 57,698.08
  4. Step 4: Simplify right side
    95,423.80x = 7,598,669,811.57
  5. Step 5: Solve for x
    x = 7,598,669,811.57/95,423.80
  6. Step 6: Final answer
    x = 79,630.76

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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.