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Finding the Fourth Proportional to 226,470.72, 339,706.88 and 68,700.52

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Solution

The fourth proportional to 226,470.72, 339,706.88 and 68,700.52 is: 103,051.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,470.72 : 339,706.88 = 68,700.52 : x
  2. Step 2: Convert to fraction form
    226,470.72/339,706.88 = 68,700.52/x
  3. Step 3: Cross multiply
    226,470.72x = 339,706.88 × 68,700.52
  4. Step 4: Simplify right side
    226,470.72x = 23,338,039,303.58
  5. Step 5: Solve for x
    x = 23,338,039,303.58/226,470.72
  6. Step 6: Final answer
    x = 103,051.02

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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.