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Finding the Fourth Proportional to 251,633.25, 377,449.88 and 64,644.75

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Solution

The fourth proportional to 251,633.25, 377,449.88 and 64,644.75 is: 96,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,633.25 : 377,449.88 = 64,644.75 : x
  2. Step 2: Convert to fraction form
    251,633.25/377,449.88 = 64,644.75/x
  3. Step 3: Cross multiply
    251,633.25x = 377,449.88 × 64,644.75
  4. Step 4: Simplify right side
    251,633.25x = 24,400,152,806.91
  5. Step 5: Solve for x
    x = 24,400,152,806.91/251,633.25
  6. Step 6: Final answer
    x = 96,967.13

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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.