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Finding the Fourth Proportional to 239,389.97, 358,961.92 and 70,889.14

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Solution

The fourth proportional to 239,389.97, 358,961.92 and 70,889.14 is: 106,297.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,389.97 : 358,961.92 = 70,889.14 : x
  2. Step 2: Convert to fraction form
    239,389.97/358,961.92 = 70,889.14/x
  3. Step 3: Cross multiply
    239,389.97x = 358,961.92 × 70,889.14
  4. Step 4: Simplify right side
    239,389.97x = 25,446,500,458.97
  5. Step 5: Solve for x
    x = 25,446,500,458.97/239,389.97
  6. Step 6: Final answer
    x = 106,297.27

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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.