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Finding the Fourth Proportional to 167,471.50, 251,141.64 and 67,613.08

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Solution

The fourth proportional to 167,471.50, 251,141.64 and 67,613.08 is: 101,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,471.50 : 251,141.64 = 67,613.08 : x
  2. Step 2: Convert to fraction form
    167,471.50/251,141.64 = 67,613.08/x
  3. Step 3: Cross multiply
    167,471.50x = 251,141.64 × 67,613.08
  4. Step 4: Simplify right side
    167,471.50x = 16,980,459,796.65
  5. Step 5: Solve for x
    x = 16,980,459,796.65/167,471.50
  6. Step 6: Final answer
    x = 101,393.13

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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.