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Finding the Fourth Proportional to 87,615.60, 131,455.80 and 35,062.80

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Solution

The fourth proportional to 87,615.60, 131,455.80 and 35,062.80 is: 52,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,615.60 : 131,455.80 = 35,062.80 : x
  2. Step 2: Convert to fraction form
    87,615.60/131,455.80 = 35,062.80/x
  3. Step 3: Cross multiply
    87,615.60x = 131,455.80 × 35,062.80
  4. Step 4: Simplify right side
    87,615.60x = 4,609,208,424.24
  5. Step 5: Solve for x
    x = 4,609,208,424.24/87,615.60
  6. Step 6: Final answer
    x = 52,607.17

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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.