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Finding the Fourth Proportional to 248,616.60, 372,924.90 and 90,824.55

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Solution

The fourth proportional to 248,616.60, 372,924.90 and 90,824.55 is: 136,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,616.60 : 372,924.90 = 90,824.55 : x
  2. Step 2: Convert to fraction form
    248,616.60/372,924.90 = 90,824.55/x
  3. Step 3: Cross multiply
    248,616.60x = 372,924.90 × 90,824.55
  4. Step 4: Simplify right side
    248,616.60x = 33,870,736,226.30
  5. Step 5: Solve for x
    x = 33,870,736,226.30/248,616.60
  6. Step 6: Final answer
    x = 136,236.83

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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.