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Finding the Fourth Proportional to 123,117.64, 184,610.82 and 63,893.68

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Solution

The fourth proportional to 123,117.64, 184,610.82 and 63,893.68 is: 95,806.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,117.64 : 184,610.82 = 63,893.68 : x
  2. Step 2: Convert to fraction form
    123,117.64/184,610.82 = 63,893.68/x
  3. Step 3: Cross multiply
    123,117.64x = 184,610.82 × 63,893.68
  4. Step 4: Simplify right side
    123,117.64x = 11,795,464,657.62
  5. Step 5: Solve for x
    x = 11,795,464,657.62/123,117.64
  6. Step 6: Final answer
    x = 95,806.46

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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.