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Finding the Fourth Proportional to 123,062.36, 183,919.05 and 89,852.36

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Solution

The fourth proportional to 123,062.36, 183,919.05 and 89,852.36 is: 134,286.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,062.36 : 183,919.05 = 89,852.36 : x
  2. Step 2: Convert to fraction form
    123,062.36/183,919.05 = 89,852.36/x
  3. Step 3: Cross multiply
    123,062.36x = 183,919.05 × 89,852.36
  4. Step 4: Simplify right side
    123,062.36x = 16,525,560,691.46
  5. Step 5: Solve for x
    x = 16,525,560,691.46/123,062.36
  6. Step 6: Final answer
    x = 134,286.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.