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Finding the Fourth Proportional to 104,417.67, 156,626.51 and 25,530.96

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Solution

The fourth proportional to 104,417.67, 156,626.51 and 25,530.96 is: 38,296.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,417.67 : 156,626.51 = 25,530.96 : x
  2. Step 2: Convert to fraction form
    104,417.67/156,626.51 = 25,530.96/x
  3. Step 3: Cross multiply
    104,417.67x = 156,626.51 × 25,530.96
  4. Step 4: Simplify right side
    104,417.67x = 3,998,825,034.09
  5. Step 5: Solve for x
    x = 3,998,825,034.09/104,417.67
  6. Step 6: Final answer
    x = 38,296.44

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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.