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Finding the Fourth Proportional to 254,441.81, 381,837.66 and 88,229.81

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Solution

The fourth proportional to 254,441.81, 381,837.66 and 88,229.81 is: 132,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,441.81 : 381,837.66 = 88,229.81 : x
  2. Step 2: Convert to fraction form
    254,441.81/381,837.66 = 88,229.81/x
  3. Step 3: Cross multiply
    254,441.81x = 381,837.66 × 88,229.81
  4. Step 4: Simplify right side
    254,441.81x = 33,689,464,192.64
  5. Step 5: Solve for x
    x = 33,689,464,192.64/254,441.81
  6. Step 6: Final answer
    x = 132,405.38

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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.