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Finding the Fourth Proportional to 227,021.46, 340,530.39 and 84,902.52

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Solution

The fourth proportional to 227,021.46, 340,530.39 and 84,902.52 is: 127,353.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,021.46 : 340,530.39 = 84,902.52 : x
  2. Step 2: Convert to fraction form
    227,021.46/340,530.39 = 84,902.52/x
  3. Step 3: Cross multiply
    227,021.46x = 340,530.39 × 84,902.52
  4. Step 4: Simplify right side
    227,021.46x = 28,911,888,247.58
  5. Step 5: Solve for x
    x = 28,911,888,247.58/227,021.46
  6. Step 6: Final answer
    x = 127,353.11

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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.