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Finding the Fourth Proportional to 168,152.49, 252,163.12 and 73,411.65

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Solution

The fourth proportional to 168,152.49, 252,163.12 and 73,411.65 is: 110,088.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,152.49 : 252,163.12 = 73,411.65 : x
  2. Step 2: Convert to fraction form
    168,152.49/252,163.12 = 73,411.65/x
  3. Step 3: Cross multiply
    168,152.49x = 252,163.12 × 73,411.65
  4. Step 4: Simplify right side
    168,152.49x = 18,511,710,708.35
  5. Step 5: Solve for x
    x = 18,511,710,708.35/168,152.49
  6. Step 6: Final answer
    x = 110,088.83

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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.