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Finding the Fourth Proportional to 248,290.91, 372,439.82 and 70,797.98

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Solution

The fourth proportional to 248,290.91, 372,439.82 and 70,797.98 is: 106,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,290.91 : 372,439.82 = 70,797.98 : x
  2. Step 2: Convert to fraction form
    248,290.91/372,439.82 = 70,797.98/x
  3. Step 3: Cross multiply
    248,290.91x = 372,439.82 × 70,797.98
  4. Step 4: Simplify right side
    248,290.91x = 26,367,984,711.37
  5. Step 5: Solve for x
    x = 26,367,984,711.37/248,290.91
  6. Step 6: Final answer
    x = 106,197.95

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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.