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Finding the Fourth Proportional to 177,850.40, 266,775.60 and 169,977.20

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Solution

The fourth proportional to 177,850.40, 266,775.60 and 169,977.20 is: 254,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,850.40 : 266,775.60 = 169,977.20 : x
  2. Step 2: Convert to fraction form
    177,850.40/266,775.60 = 169,977.20/x
  3. Step 3: Cross multiply
    177,850.40x = 266,775.60 × 169,977.20
  4. Step 4: Simplify right side
    177,850.40x = 45,345,769,516.32
  5. Step 5: Solve for x
    x = 45,345,769,516.32/177,850.40
  6. Step 6: Final answer
    x = 254,965.80

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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.