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Finding the Fourth Proportional to 264,029.70, 396,044.55 and 121,874.70

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Solution

The fourth proportional to 264,029.70, 396,044.55 and 121,874.70 is: 182,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,029.70 : 396,044.55 = 121,874.70 : x
  2. Step 2: Convert to fraction form
    264,029.70/396,044.55 = 121,874.70/x
  3. Step 3: Cross multiply
    264,029.70x = 396,044.55 × 121,874.70
  4. Step 4: Simplify right side
    264,029.70x = 48,267,810,717.89
  5. Step 5: Solve for x
    x = 48,267,810,717.89/264,029.70
  6. Step 6: Final answer
    x = 182,812.05

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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.