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Finding the Fourth Proportional to 177,399.80, 266,229.30 and 124,911.80

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Solution

The fourth proportional to 177,399.80, 266,229.30 and 124,911.80 is: 187,458.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,399.80 : 266,229.30 = 124,911.80 : x
  2. Step 2: Convert to fraction form
    177,399.80/266,229.30 = 124,911.80/x
  3. Step 3: Cross multiply
    177,399.80x = 266,229.30 × 124,911.80
  4. Step 4: Simplify right side
    177,399.80x = 33,255,181,075.74
  5. Step 5: Solve for x
    x = 33,255,181,075.74/177,399.80
  6. Step 6: Final answer
    x = 187,458.95

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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.