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Finding the Fourth Proportional to 95,377.60, 131,580 and 57,630

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Solution

The fourth proportional to 95,377.60, 131,580 and 57,630 is: 79,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,377.60 : 131,580 = 57,630 : x
  2. Step 2: Convert to fraction form
    95,377.60/131,580 = 57,630/x
  3. Step 3: Cross multiply
    95,377.60x = 131,580 × 57,630
  4. Step 4: Simplify right side
    95,377.60x = 7,582,955,400
  5. Step 5: Solve for x
    x = 7,582,955,400/95,377.60
  6. Step 6: Final answer
    x = 79,504.57

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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.