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Finding the Fourth Proportional to 167,369.21, 251,041.66 and 55,048.13

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Solution

The fourth proportional to 167,369.21, 251,041.66 and 55,048.13 is: 82,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,369.21 : 251,041.66 = 55,048.13 : x
  2. Step 2: Convert to fraction form
    167,369.21/251,041.66 = 55,048.13/x
  3. Step 3: Cross multiply
    167,369.21x = 251,041.66 × 55,048.13
  4. Step 4: Simplify right side
    167,369.21x = 13,819,373,935.10
  5. Step 5: Solve for x
    x = 13,819,373,935.10/167,369.21
  6. Step 6: Final answer
    x = 82,568.20

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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.