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Finding the Fourth Proportional to 177,601.40, 266,661.30 and 72,625.40

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Solution

The fourth proportional to 177,601.40, 266,661.30 and 72,625.40 is: 109,044.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,601.40 : 266,661.30 = 72,625.40 : x
  2. Step 2: Convert to fraction form
    177,601.40/266,661.30 = 72,625.40/x
  3. Step 3: Cross multiply
    177,601.40x = 266,661.30 × 72,625.40
  4. Step 4: Simplify right side
    177,601.40x = 19,366,383,577.02
  5. Step 5: Solve for x
    x = 19,366,383,577.02/177,601.40
  6. Step 6: Final answer
    x = 109,044.09

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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.