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Finding the Fourth Proportional to 161,029.60, 225,908 and 161,029.60

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Solution

The fourth proportional to 161,029.60, 225,908 and 161,029.60 is: 225,908

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,029.60 : 225,908 = 161,029.60 : x
  2. Step 2: Convert to fraction form
    161,029.60/225,908 = 161,029.60/x
  3. Step 3: Cross multiply
    161,029.60x = 225,908 × 161,029.60
  4. Step 4: Simplify right side
    161,029.60x = 36,377,874,876.80
  5. Step 5: Solve for x
    x = 36,377,874,876.80/161,029.60
  6. Step 6: Final answer
    x = 225,908

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.