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Finding the Fourth Proportional to 177,809.80, 266,066.70 and 131,153.80

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Solution

The fourth proportional to 177,809.80, 266,066.70 and 131,153.80 is: 196,252.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,809.80 : 266,066.70 = 131,153.80 : x
  2. Step 2: Convert to fraction form
    177,809.80/266,066.70 = 131,153.80/x
  3. Step 3: Cross multiply
    177,809.80x = 266,066.70 × 131,153.80
  4. Step 4: Simplify right side
    177,809.80x = 34,895,658,758.46
  5. Step 5: Solve for x
    x = 34,895,658,758.46/177,809.80
  6. Step 6: Final answer
    x = 196,252.73

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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.