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Finding the Fourth Proportional to 122,759.48, 183,898.74 and 63,634.16

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Solution

The fourth proportional to 122,759.48, 183,898.74 and 63,634.16 is: 95,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,759.48 : 183,898.74 = 63,634.16 : x
  2. Step 2: Convert to fraction form
    122,759.48/183,898.74 = 63,634.16/x
  3. Step 3: Cross multiply
    122,759.48x = 183,898.74 × 63,634.16
  4. Step 4: Simplify right side
    122,759.48x = 11,702,241,844.96
  5. Step 5: Solve for x
    x = 11,702,241,844.96/122,759.48
  6. Step 6: Final answer
    x = 95,326.58

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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.