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Finding the Fourth Proportional to 177,560.80, 266,211.60 and 72,325.60

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Solution

The fourth proportional to 177,560.80, 266,211.60 and 72,325.60 is: 108,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,560.80 : 266,211.60 = 72,325.60 : x
  2. Step 2: Convert to fraction form
    177,560.80/266,211.60 = 72,325.60/x
  3. Step 3: Cross multiply
    177,560.80x = 266,211.60 × 72,325.60
  4. Step 4: Simplify right side
    177,560.80x = 19,253,913,696.96
  5. Step 5: Solve for x
    x = 19,253,913,696.96/177,560.80
  6. Step 6: Final answer
    x = 108,435.61

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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.