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Finding the Fourth Proportional to 230,815.88, 346,268.70 and 88,650.75

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Solution

The fourth proportional to 230,815.88, 346,268.70 and 88,650.75 is: 132,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,815.88 : 346,268.70 = 88,650.75 : x
  2. Step 2: Convert to fraction form
    230,815.88/346,268.70 = 88,650.75/x
  3. Step 3: Cross multiply
    230,815.88x = 346,268.70 × 88,650.75
  4. Step 4: Simplify right side
    230,815.88x = 30,696,979,956.53
  5. Step 5: Solve for x
    x = 30,696,979,956.53/230,815.88
  6. Step 6: Final answer
    x = 132,993.37

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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.