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Finding the Fourth Proportional to 87,860.48, 131,812.48 and 25,531.52

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Solution

The fourth proportional to 87,860.48, 131,812.48 and 25,531.52 is: 38,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,860.48 : 131,812.48 = 25,531.52 : x
  2. Step 2: Convert to fraction form
    87,860.48/131,812.48 = 25,531.52/x
  3. Step 3: Cross multiply
    87,860.48x = 131,812.48 × 25,531.52
  4. Step 4: Simplify right side
    87,860.48x = 3,365,372,969.37
  5. Step 5: Solve for x
    x = 3,365,372,969.37/87,860.48
  6. Step 6: Final answer
    x = 38,303.60

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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.