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Finding the Fourth Proportional to 87,410.80, 131,051.40 and 59,260.60

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Solution

The fourth proportional to 87,410.80, 131,051.40 and 59,260.60 is: 88,846.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,410.80 : 131,051.40 = 59,260.60 : x
  2. Step 2: Convert to fraction form
    87,410.80/131,051.40 = 59,260.60/x
  3. Step 3: Cross multiply
    87,410.80x = 131,051.40 × 59,260.60
  4. Step 4: Simplify right side
    87,410.80x = 7,766,184,594.84
  5. Step 5: Solve for x
    x = 7,766,184,594.84/87,410.80
  6. Step 6: Final answer
    x = 88,846.97

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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.