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Finding the Fourth Proportional to 171,253.05, 236,173.11 and 147,046.46

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Solution

The fourth proportional to 171,253.05, 236,173.11 and 147,046.46 is: 202,790.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,253.05 : 236,173.11 = 147,046.46 : x
  2. Step 2: Convert to fraction form
    171,253.05/236,173.11 = 147,046.46/x
  3. Step 3: Cross multiply
    171,253.05x = 236,173.11 × 147,046.46
  4. Step 4: Simplify right side
    171,253.05x = 34,728,418,591.83
  5. Step 5: Solve for x
    x = 34,728,418,591.83/171,253.05
  6. Step 6: Final answer
    x = 202,790.07

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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.