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Finding the Fourth Proportional to 122,618.30, 183,827.21 and 63,470.88

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Solution

The fourth proportional to 122,618.30, 183,827.21 and 63,470.88 is: 95,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,618.30 : 183,827.21 = 63,470.88 : x
  2. Step 2: Convert to fraction form
    122,618.30/183,827.21 = 63,470.88/x
  3. Step 3: Cross multiply
    122,618.30x = 183,827.21 × 63,470.88
  4. Step 4: Simplify right side
    122,618.30x = 11,667,674,469.29
  5. Step 5: Solve for x
    x = 11,667,674,469.29/122,618.30
  6. Step 6: Final answer
    x = 95,154.43

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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.