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Finding the Fourth Proportional to 239,537.28, 359,383.68 and 114,888

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Solution

The fourth proportional to 239,537.28, 359,383.68 and 114,888 is: 172,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,537.28 : 359,383.68 = 114,888 : x
  2. Step 2: Convert to fraction form
    239,537.28/359,383.68 = 114,888/x
  3. Step 3: Cross multiply
    239,537.28x = 359,383.68 × 114,888
  4. Step 4: Simplify right side
    239,537.28x = 41,288,872,227.84
  5. Step 5: Solve for x
    x = 41,288,872,227.84/239,537.28
  6. Step 6: Final answer
    x = 172,369.30

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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.