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Finding the Fourth Proportional to 227,603.80, 341,405.70 and 79,859.80

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Solution

The fourth proportional to 227,603.80, 341,405.70 and 79,859.80 is: 119,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,603.80 : 341,405.70 = 79,859.80 : x
  2. Step 2: Convert to fraction form
    227,603.80/341,405.70 = 79,859.80/x
  3. Step 3: Cross multiply
    227,603.80x = 341,405.70 × 79,859.80
  4. Step 4: Simplify right side
    227,603.80x = 27,264,590,920.86
  5. Step 5: Solve for x
    x = 27,264,590,920.86/227,603.80
  6. Step 6: Final answer
    x = 119,789.70

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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.