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Finding the Fourth Proportional to 136,855.69, 205,394.11 and 58,025.27

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Solution

The fourth proportional to 136,855.69, 205,394.11 and 58,025.27 is: 87,084.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,855.69 : 205,394.11 = 58,025.27 : x
  2. Step 2: Convert to fraction form
    136,855.69/205,394.11 = 58,025.27/x
  3. Step 3: Cross multiply
    136,855.69x = 205,394.11 × 58,025.27
  4. Step 4: Simplify right side
    136,855.69x = 11,918,049,057.58
  5. Step 5: Solve for x
    x = 11,918,049,057.58/136,855.69
  6. Step 6: Final answer
    x = 87,084.79

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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.