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Finding the Fourth Proportional to 104,227.14, 156,340.71 and 25,341.42

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Solution

The fourth proportional to 104,227.14, 156,340.71 and 25,341.42 is: 38,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,227.14 : 156,340.71 = 25,341.42 : x
  2. Step 2: Convert to fraction form
    104,227.14/156,340.71 = 25,341.42/x
  3. Step 3: Cross multiply
    104,227.14x = 156,340.71 × 25,341.42
  4. Step 4: Simplify right side
    104,227.14x = 3,961,895,595.21
  5. Step 5: Solve for x
    x = 3,961,895,595.21/104,227.14
  6. Step 6: Final answer
    x = 38,012.13

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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.