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Finding the Fourth Proportional to 177,766.79, 266,755.41 and 65,525.83

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Solution

The fourth proportional to 177,766.79, 266,755.41 and 65,525.83 is: 98,327.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,766.79 : 266,755.41 = 65,525.83 : x
  2. Step 2: Convert to fraction form
    177,766.79/266,755.41 = 65,525.83/x
  3. Step 3: Cross multiply
    177,766.79x = 266,755.41 × 65,525.83
  4. Step 4: Simplify right side
    177,766.79x = 17,479,368,980.35
  5. Step 5: Solve for x
    x = 17,479,368,980.35/177,766.79
  6. Step 6: Final answer
    x = 98,327.53

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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.