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Finding the Fourth Proportional to 248,766.30, 373,149.45 and 61,777.80

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Solution

The fourth proportional to 248,766.30, 373,149.45 and 61,777.80 is: 92,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,766.30 : 373,149.45 = 61,777.80 : x
  2. Step 2: Convert to fraction form
    248,766.30/373,149.45 = 61,777.80/x
  3. Step 3: Cross multiply
    248,766.30x = 373,149.45 × 61,777.80
  4. Step 4: Simplify right side
    248,766.30x = 23,052,352,092.21
  5. Step 5: Solve for x
    x = 23,052,352,092.21/248,766.30
  6. Step 6: Final answer
    x = 92,666.70

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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.