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Finding the Fourth Proportional to 167,317.30, 230,898.14 and 90,836.39

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Solution

The fourth proportional to 167,317.30, 230,898.14 and 90,836.39 is: 125,354.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,317.30 : 230,898.14 = 90,836.39 : x
  2. Step 2: Convert to fraction form
    167,317.30/230,898.14 = 90,836.39/x
  3. Step 3: Cross multiply
    167,317.30x = 230,898.14 × 90,836.39
  4. Step 4: Simplify right side
    167,317.30x = 20,973,953,171.17
  5. Step 5: Solve for x
    x = 20,973,953,171.17/167,317.30
  6. Step 6: Final answer
    x = 125,354.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.