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Finding the Fourth Proportional to 87,114.72, 130,131.39 and 63,232.68

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Solution

The fourth proportional to 87,114.72, 130,131.39 and 63,232.68 is: 94,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,114.72 : 130,131.39 = 63,232.68 : x
  2. Step 2: Convert to fraction form
    87,114.72/130,131.39 = 63,232.68/x
  3. Step 3: Cross multiply
    87,114.72x = 130,131.39 × 63,232.68
  4. Step 4: Simplify right side
    87,114.72x = 8,228,556,541.83
  5. Step 5: Solve for x
    x = 8,228,556,541.83/87,114.72
  6. Step 6: Final answer
    x = 94,456.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.