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Finding the Fourth Proportional to 226,603.80, 339,905.70 and 102,187.80

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Solution

The fourth proportional to 226,603.80, 339,905.70 and 102,187.80 is: 153,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,603.80 : 339,905.70 = 102,187.80 : x
  2. Step 2: Convert to fraction form
    226,603.80/339,905.70 = 102,187.80/x
  3. Step 3: Cross multiply
    226,603.80x = 339,905.70 × 102,187.80
  4. Step 4: Simplify right side
    226,603.80x = 34,734,215,690.46
  5. Step 5: Solve for x
    x = 34,734,215,690.46/226,603.80
  6. Step 6: Final answer
    x = 153,281.70

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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.