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Finding the Fourth Proportional to 168,640.68, 232,724.22 and 93,189.18

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Solution

The fourth proportional to 168,640.68, 232,724.22 and 93,189.18 is: 128,601.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,640.68 : 232,724.22 = 93,189.18 : x
  2. Step 2: Convert to fraction form
    168,640.68/232,724.22 = 93,189.18/x
  3. Step 3: Cross multiply
    168,640.68x = 232,724.22 × 93,189.18
  4. Step 4: Simplify right side
    168,640.68x = 21,687,379,227.94
  5. Step 5: Solve for x
    x = 21,687,379,227.94/168,640.68
  6. Step 6: Final answer
    x = 128,601.11

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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.