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Finding the Fourth Proportional to 87,006.80, 130,524.60 and 37,110.80

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Solution

The fourth proportional to 87,006.80, 130,524.60 and 37,110.80 is: 55,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,006.80 : 130,524.60 = 37,110.80 : x
  2. Step 2: Convert to fraction form
    87,006.80/130,524.60 = 37,110.80/x
  3. Step 3: Cross multiply
    87,006.80x = 130,524.60 × 37,110.80
  4. Step 4: Simplify right side
    87,006.80x = 4,843,872,325.68
  5. Step 5: Solve for x
    x = 4,843,872,325.68/87,006.80
  6. Step 6: Final answer
    x = 55,672.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.