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Finding the Fourth Proportional to 104,167.05, 156,259.81 and 29,287.85

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Solution

The fourth proportional to 104,167.05, 156,259.81 and 29,287.85 is: 43,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,167.05 : 156,259.81 = 29,287.85 : x
  2. Step 2: Convert to fraction form
    104,167.05/156,259.81 = 29,287.85/x
  3. Step 3: Cross multiply
    104,167.05x = 156,259.81 × 29,287.85
  4. Step 4: Simplify right side
    104,167.05x = 4,576,514,303.57
  5. Step 5: Solve for x
    x = 4,576,514,303.57/104,167.05
  6. Step 6: Final answer
    x = 43,934.37

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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.