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Finding the Fourth Proportional to 323,145.72, 484,062.48 and 163,122.93

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Solution

The fourth proportional to 323,145.72, 484,062.48 and 163,122.93 is: 244,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,145.72 : 484,062.48 = 163,122.93 : x
  2. Step 2: Convert to fraction form
    323,145.72/484,062.48 = 163,122.93/x
  3. Step 3: Cross multiply
    323,145.72x = 484,062.48 × 163,122.93
  4. Step 4: Simplify right side
    323,145.72x = 78,961,690,040.67
  5. Step 5: Solve for x
    x = 78,961,690,040.67/323,145.72
  6. Step 6: Final answer
    x = 244,353.20

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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.