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Finding the Fourth Proportional to 168,776.16, 253,190.16 and 50,434.08

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Solution

The fourth proportional to 168,776.16, 253,190.16 and 50,434.08 is: 75,658.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,776.16 : 253,190.16 = 50,434.08 : x
  2. Step 2: Convert to fraction form
    168,776.16/253,190.16 = 50,434.08/x
  3. Step 3: Cross multiply
    168,776.16x = 253,190.16 × 50,434.08
  4. Step 4: Simplify right side
    168,776.16x = 12,769,412,784.65
  5. Step 5: Solve for x
    x = 12,769,412,784.65/168,776.16
  6. Step 6: Final answer
    x = 75,658.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.