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Finding the Fourth Proportional to 248,843.20, 373,264.80 and 61,854.70

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Solution

The fourth proportional to 248,843.20, 373,264.80 and 61,854.70 is: 92,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,843.20 : 373,264.80 = 61,854.70 : x
  2. Step 2: Convert to fraction form
    248,843.20/373,264.80 = 61,854.70/x
  3. Step 3: Cross multiply
    248,843.20x = 373,264.80 × 61,854.70
  4. Step 4: Simplify right side
    248,843.20x = 23,088,182,224.56
  5. Step 5: Solve for x
    x = 23,088,182,224.56/248,843.20
  6. Step 6: Final answer
    x = 92,782.05

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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.