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Finding the Fourth Proportional to 132,635.25, 183,036.65 and 73,019.25

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Solution

The fourth proportional to 132,635.25, 183,036.65 and 73,019.25 is: 100,766.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,635.25 : 183,036.65 = 73,019.25 : x
  2. Step 2: Convert to fraction form
    132,635.25/183,036.65 = 73,019.25/x
  3. Step 3: Cross multiply
    132,635.25x = 183,036.65 × 73,019.25
  4. Step 4: Simplify right side
    132,635.25x = 13,365,198,540.42
  5. Step 5: Solve for x
    x = 13,365,198,540.42/132,635.25
  6. Step 6: Final answer
    x = 100,766.57

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Why These Related Problems?

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