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Finding the Fourth Proportional to 168,019.70, 252,029.55 and 164,083.10

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Solution

The fourth proportional to 168,019.70, 252,029.55 and 164,083.10 is: 246,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,019.70 : 252,029.55 = 164,083.10 : x
  2. Step 2: Convert to fraction form
    168,019.70/252,029.55 = 164,083.10/x
  3. Step 3: Cross multiply
    168,019.70x = 252,029.55 × 164,083.10
  4. Step 4: Simplify right side
    168,019.70x = 41,353,789,855.61
  5. Step 5: Solve for x
    x = 41,353,789,855.61/168,019.70
  6. Step 6: Final answer
    x = 246,124.65

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1.5x scale

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.