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Finding the Fourth Proportional to 167,807.34, 251,610.60 and 113,838.36

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Solution

The fourth proportional to 167,807.34, 251,610.60 and 113,838.36 is: 170,689.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,807.34 : 251,610.60 = 113,838.36 : x
  2. Step 2: Convert to fraction form
    167,807.34/251,610.60 = 113,838.36/x
  3. Step 3: Cross multiply
    167,807.34x = 251,610.60 × 113,838.36
  4. Step 4: Simplify right side
    167,807.34x = 28,642,938,062.62
  5. Step 5: Solve for x
    x = 28,642,938,062.62/167,807.34
  6. Step 6: Final answer
    x = 170,689.42

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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.