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Finding the Fourth Proportional to 79,125, 109,192.67 and 43,317.24

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Solution

The fourth proportional to 79,125, 109,192.67 and 43,317.24 is: 59,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,125 : 109,192.67 = 43,317.24 : x
  2. Step 2: Convert to fraction form
    79,125/109,192.67 = 43,317.24/x
  3. Step 3: Cross multiply
    79,125x = 109,192.67 × 43,317.24
  4. Step 4: Simplify right side
    79,125x = 4,729,925,092.63
  5. Step 5: Solve for x
    x = 4,729,925,092.63/79,125
  6. Step 6: Final answer
    x = 59,777.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.