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Finding the Fourth Proportional to 174,451.80, 261,677.70 and 165,850.20

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Solution

The fourth proportional to 174,451.80, 261,677.70 and 165,850.20 is: 248,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,451.80 : 261,677.70 = 165,850.20 : x
  2. Step 2: Convert to fraction form
    174,451.80/261,677.70 = 165,850.20/x
  3. Step 3: Cross multiply
    174,451.80x = 261,677.70 × 165,850.20
  4. Step 4: Simplify right side
    174,451.80x = 43,399,298,880.54
  5. Step 5: Solve for x
    x = 43,399,298,880.54/174,451.80
  6. Step 6: Final answer
    x = 248,775.30

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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.