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Finding the Fourth Proportional to 167,497.50, 251,361.45 and 69,001.50

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Solution

The fourth proportional to 167,497.50, 251,361.45 and 69,001.50 is: 103,549.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,497.50 : 251,361.45 = 69,001.50 : x
  2. Step 2: Convert to fraction form
    167,497.50/251,361.45 = 69,001.50/x
  3. Step 3: Cross multiply
    167,497.50x = 251,361.45 × 69,001.50
  4. Step 4: Simplify right side
    167,497.50x = 17,344,317,092.18
  5. Step 5: Solve for x
    x = 17,344,317,092.18/167,497.50
  6. Step 6: Final answer
    x = 103,549.71

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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.