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Finding the Fourth Proportional to 248,248.94, 372,311.91 and 70,757.48

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Solution

The fourth proportional to 248,248.94, 372,311.91 and 70,757.48 is: 106,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,248.94 : 372,311.91 = 70,757.48 : x
  2. Step 2: Convert to fraction form
    248,248.94/372,311.91 = 70,757.48/x
  3. Step 3: Cross multiply
    248,248.94x = 372,311.91 × 70,757.48
  4. Step 4: Simplify right side
    248,248.94x = 26,343,853,456.37
  5. Step 5: Solve for x
    x = 26,343,853,456.37/248,248.94
  6. Step 6: Final answer
    x = 106,118.70

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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.