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Finding the Fourth Proportional to 119,935.25, 165,525.23 and 69,634.25

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Solution

The fourth proportional to 119,935.25, 165,525.23 and 69,634.25 is: 96,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,935.25 : 165,525.23 = 69,634.25 : x
  2. Step 2: Convert to fraction form
    119,935.25/165,525.23 = 69,634.25/x
  3. Step 3: Cross multiply
    119,935.25x = 165,525.23 × 69,634.25
  4. Step 4: Simplify right side
    119,935.25x = 11,526,224,898.96
  5. Step 5: Solve for x
    x = 11,526,224,898.96/119,935.25
  6. Step 6: Final answer
    x = 96,103.73

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Why These Related Problems?

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