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Finding the Fourth Proportional to 248,329.20, 372,234.60 and 135,836.40

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Solution

The fourth proportional to 248,329.20, 372,234.60 and 135,836.40 is: 203,612.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,329.20 : 372,234.60 = 135,836.40 : x
  2. Step 2: Convert to fraction form
    248,329.20/372,234.60 = 135,836.40/x
  3. Step 3: Cross multiply
    248,329.20x = 372,234.60 × 135,836.40
  4. Step 4: Simplify right side
    248,329.20x = 50,563,008,019.44
  5. Step 5: Solve for x
    x = 50,563,008,019.44/248,329.20
  6. Step 6: Final answer
    x = 203,612.82

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1.5x scale

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.