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Finding the Fourth Proportional to 269,215.92, 371,500.20 and 161,722.32

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Solution

The fourth proportional to 269,215.92, 371,500.20 and 161,722.32 is: 223,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,215.92 : 371,500.20 = 161,722.32 : x
  2. Step 2: Convert to fraction form
    269,215.92/371,500.20 = 161,722.32/x
  3. Step 3: Cross multiply
    269,215.92x = 371,500.20 × 161,722.32
  4. Step 4: Simplify right side
    269,215.92x = 60,079,874,224.46
  5. Step 5: Solve for x
    x = 60,079,874,224.46/269,215.92
  6. Step 6: Final answer
    x = 223,166.13

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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.