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Finding the Fourth Proportional to 248,794.20, 373,191.30 and 61,805.70

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Solution

The fourth proportional to 248,794.20, 373,191.30 and 61,805.70 is: 92,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,794.20 : 373,191.30 = 61,805.70 : x
  2. Step 2: Convert to fraction form
    248,794.20/373,191.30 = 61,805.70/x
  3. Step 3: Cross multiply
    248,794.20x = 373,191.30 × 61,805.70
  4. Step 4: Simplify right side
    248,794.20x = 23,065,349,530.41
  5. Step 5: Solve for x
    x = 23,065,349,530.41/248,794.20
  6. Step 6: Final answer
    x = 92,708.55

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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.