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Finding the Fourth Proportional to 122,656.88, 183,828.36 and 63,481.52

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Solution

The fourth proportional to 122,656.88, 183,828.36 and 63,481.52 is: 95,141.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,656.88 : 183,828.36 = 63,481.52 : x
  2. Step 2: Convert to fraction form
    122,656.88/183,828.36 = 63,481.52/x
  3. Step 3: Cross multiply
    122,656.88x = 183,828.36 × 63,481.52
  4. Step 4: Simplify right side
    122,656.88x = 11,669,703,711.91
  5. Step 5: Solve for x
    x = 11,669,703,711.91/122,656.88
  6. Step 6: Final answer
    x = 95,141.04

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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.