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Finding the Fourth Proportional to 252,228.78, 347,878.74 and 161,593.11

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Solution

The fourth proportional to 252,228.78, 347,878.74 and 161,593.11 is: 222,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,228.78 : 347,878.74 = 161,593.11 : x
  2. Step 2: Convert to fraction form
    252,228.78/347,878.74 = 161,593.11/x
  3. Step 3: Cross multiply
    252,228.78x = 347,878.74 × 161,593.11
  4. Step 4: Simplify right side
    252,228.78x = 56,214,807,499.48
  5. Step 5: Solve for x
    x = 56,214,807,499.48/252,228.78
  6. Step 6: Final answer
    x = 222,872.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.