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Finding the Fourth Proportional to 237,728.52, 328,169.88 and 166,388.58

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Solution

The fourth proportional to 237,728.52, 328,169.88 and 166,388.58 is: 229,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,728.52 : 328,169.88 = 166,388.58 : x
  2. Step 2: Convert to fraction form
    237,728.52/328,169.88 = 166,388.58/x
  3. Step 3: Cross multiply
    237,728.52x = 328,169.88 × 166,388.58
  4. Step 4: Simplify right side
    237,728.52x = 54,603,720,331.97
  5. Step 5: Solve for x
    x = 54,603,720,331.97/237,728.52
  6. Step 6: Final answer
    x = 229,689.40

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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.