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Finding the Fourth Proportional to 63,168.16, 87,162.16 and 36,305.65

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Solution

The fourth proportional to 63,168.16, 87,162.16 and 36,305.65 is: 50,096.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,168.16 : 87,162.16 = 36,305.65 : x
  2. Step 2: Convert to fraction form
    63,168.16/87,162.16 = 36,305.65/x
  3. Step 3: Cross multiply
    63,168.16x = 87,162.16 × 36,305.65
  4. Step 4: Simplify right side
    63,168.16x = 3,164,479,021.79
  5. Step 5: Solve for x
    x = 3,164,479,021.79/63,168.16
  6. Step 6: Final answer
    x = 50,096.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.