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Finding the Fourth Proportional to 219,687.24, 303,324.54 and 173,678.16

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Solution

The fourth proportional to 219,687.24, 303,324.54 and 173,678.16 is: 239,799.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,687.24 : 303,324.54 = 173,678.16 : x
  2. Step 2: Convert to fraction form
    219,687.24/303,324.54 = 173,678.16/x
  3. Step 3: Cross multiply
    219,687.24x = 303,324.54 × 173,678.16
  4. Step 4: Simplify right side
    219,687.24x = 52,680,847,990.05
  5. Step 5: Solve for x
    x = 52,680,847,990.05/219,687.24
  6. Step 6: Final answer
    x = 239,799.31

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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.