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Finding the Fourth Proportional to 175,575.60, 263,190.60 and 86,842.80

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Solution

The fourth proportional to 175,575.60, 263,190.60 and 86,842.80 is: 130,178.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,575.60 : 263,190.60 = 86,842.80 : x
  2. Step 2: Convert to fraction form
    175,575.60/263,190.60 = 86,842.80/x
  3. Step 3: Cross multiply
    175,575.60x = 263,190.60 × 86,842.80
  4. Step 4: Simplify right side
    175,575.60x = 22,856,208,637.68
  5. Step 5: Solve for x
    x = 22,856,208,637.68/175,575.60
  6. Step 6: Final answer
    x = 130,178.73

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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.