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Finding the Fourth Proportional to 132,687.88, 183,100.98 and 73,071.88

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Solution

The fourth proportional to 132,687.88, 183,100.98 and 73,071.88 is: 100,834.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,687.88 : 183,100.98 = 73,071.88 : x
  2. Step 2: Convert to fraction form
    132,687.88/183,100.98 = 73,071.88/x
  3. Step 3: Cross multiply
    132,687.88x = 183,100.98 × 73,071.88
  4. Step 4: Simplify right side
    132,687.88x = 13,379,532,838.44
  5. Step 5: Solve for x
    x = 13,379,532,838.44/132,687.88
  6. Step 6: Final answer
    x = 100,834.63

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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.