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Finding the Fourth Proportional to 177,706.72, 266,603.84 and 125,218.72

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Solution

The fourth proportional to 177,706.72, 266,603.84 and 125,218.72 is: 187,858.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,706.72 : 266,603.84 = 125,218.72 : x
  2. Step 2: Convert to fraction form
    177,706.72/266,603.84 = 125,218.72/x
  3. Step 3: Cross multiply
    177,706.72x = 266,603.84 × 125,218.72
  4. Step 4: Simplify right side
    177,706.72x = 33,383,791,591.88
  5. Step 5: Solve for x
    x = 33,383,791,591.88/177,706.72
  6. Step 6: Final answer
    x = 187,858.91

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1.5x scale

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.