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Finding the Fourth Proportional to 95,491.88, 131,781.80 and 53,053.80

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Solution

The fourth proportional to 95,491.88, 131,781.80 and 53,053.80 is: 73,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,491.88 : 131,781.80 = 53,053.80 : x
  2. Step 2: Convert to fraction form
    95,491.88/131,781.80 = 53,053.80/x
  3. Step 3: Cross multiply
    95,491.88x = 131,781.80 × 53,053.80
  4. Step 4: Simplify right side
    95,491.88x = 6,991,525,260.84
  5. Step 5: Solve for x
    x = 6,991,525,260.84/95,491.88
  6. Step 6: Final answer
    x = 73,215.91

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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.