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Finding the Fourth Proportional to 226,152.34, 339,267.61 and 76,393.72

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Solution

The fourth proportional to 226,152.34, 339,267.61 and 76,393.72 is: 114,603.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,152.34 : 339,267.61 = 76,393.72 : x
  2. Step 2: Convert to fraction form
    226,152.34/339,267.61 = 76,393.72/x
  3. Step 3: Cross multiply
    226,152.34x = 339,267.61 × 76,393.72
  4. Step 4: Simplify right side
    226,152.34x = 25,917,914,803.41
  5. Step 5: Solve for x
    x = 25,917,914,803.41/226,152.34
  6. Step 6: Final answer
    x = 114,603.79

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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.