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Finding the Fourth Proportional to 400,161.16, 600,020.16 and 163,669.92

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Solution

The fourth proportional to 400,161.16, 600,020.16 and 163,669.92 is: 245,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,161.16 : 600,020.16 = 163,669.92 : x
  2. Step 2: Convert to fraction form
    400,161.16/600,020.16 = 163,669.92/x
  3. Step 3: Cross multiply
    400,161.16x = 600,020.16 × 163,669.92
  4. Step 4: Simplify right side
    400,161.16x = 98,205,248,721.75
  5. Step 5: Solve for x
    x = 98,205,248,721.75/400,161.16
  6. Step 6: Final answer
    x = 245,414.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.