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Finding the Fourth Proportional to 222,598.35, 307,069.51 and 136,576.52

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Solution

The fourth proportional to 222,598.35, 307,069.51 and 136,576.52 is: 188,404.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,598.35 : 307,069.51 = 136,576.52 : x
  2. Step 2: Convert to fraction form
    222,598.35/307,069.51 = 136,576.52/x
  3. Step 3: Cross multiply
    222,598.35x = 307,069.51 × 136,576.52
  4. Step 4: Simplify right side
    222,598.35x = 41,938,485,073.91
  5. Step 5: Solve for x
    x = 41,938,485,073.91/222,598.35
  6. Step 6: Final answer
    x = 188,404.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.