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Finding the Fourth Proportional to 177,578.88, 266,367.36 and 72,397.44

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Solution

The fourth proportional to 177,578.88, 266,367.36 and 72,397.44 is: 108,595.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,578.88 : 266,367.36 = 72,397.44 : x
  2. Step 2: Convert to fraction form
    177,578.88/266,367.36 = 72,397.44/x
  3. Step 3: Cross multiply
    177,578.88x = 266,367.36 × 72,397.44
  4. Step 4: Simplify right side
    177,578.88x = 19,284,314,963.56
  5. Step 5: Solve for x
    x = 19,284,314,963.56/177,578.88
  6. Step 6: Final answer
    x = 108,595.77

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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.