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Finding the Fourth Proportional to 227,307.90, 340,949.49 and 69,536.35

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Solution

The fourth proportional to 227,307.90, 340,949.49 and 69,536.35 is: 104,300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,307.90 : 340,949.49 = 69,536.35 : x
  2. Step 2: Convert to fraction form
    227,307.90/340,949.49 = 69,536.35/x
  3. Step 3: Cross multiply
    227,307.90x = 340,949.49 × 69,536.35
  4. Step 4: Simplify right side
    227,307.90x = 23,708,383,495.15
  5. Step 5: Solve for x
    x = 23,708,383,495.15/227,307.90
  6. Step 6: Final answer
    x = 104,300.75

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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.