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Finding the Fourth Proportional to 177,965.40, 266,883.30 and 59,640.60

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Solution

The fourth proportional to 177,965.40, 266,883.30 and 59,640.60 is: 89,439.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,965.40 : 266,883.30 = 59,640.60 : x
  2. Step 2: Convert to fraction form
    177,965.40/266,883.30 = 59,640.60/x
  3. Step 3: Cross multiply
    177,965.40x = 266,883.30 × 59,640.60
  4. Step 4: Simplify right side
    177,965.40x = 15,917,080,141.98
  5. Step 5: Solve for x
    x = 15,917,080,141.98/177,965.40
  6. Step 6: Final answer
    x = 89,439.18

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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.