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Finding the Fourth Proportional to 226,522.68, 339,785.10 and 68,752.50

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Solution

The fourth proportional to 226,522.68, 339,785.10 and 68,752.50 is: 103,129.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,522.68 : 339,785.10 = 68,752.50 : x
  2. Step 2: Convert to fraction form
    226,522.68/339,785.10 = 68,752.50/x
  3. Step 3: Cross multiply
    226,522.68x = 339,785.10 × 68,752.50
  4. Step 4: Simplify right side
    226,522.68x = 23,361,075,087.75
  5. Step 5: Solve for x
    x = 23,361,075,087.75/226,522.68
  6. Step 6: Final answer
    x = 103,129.08

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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.