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Finding the Fourth Proportional to 248,808.20, 373,212.30 and 61,819.70

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Solution

The fourth proportional to 248,808.20, 373,212.30 and 61,819.70 is: 92,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,808.20 : 373,212.30 = 61,819.70 : x
  2. Step 2: Convert to fraction form
    248,808.20/373,212.30 = 61,819.70/x
  3. Step 3: Cross multiply
    248,808.20x = 373,212.30 × 61,819.70
  4. Step 4: Simplify right side
    248,808.20x = 23,071,872,422.31
  5. Step 5: Solve for x
    x = 23,071,872,422.31/248,808.20
  6. Step 6: Final answer
    x = 92,729.55

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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.