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Finding the Fourth Proportional to 104,167.02, 156,259.76 and 29,287.82

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Solution

The fourth proportional to 104,167.02, 156,259.76 and 29,287.82 is: 43,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,167.02 : 156,259.76 = 29,287.82 : x
  2. Step 2: Convert to fraction form
    104,167.02/156,259.76 = 29,287.82/x
  3. Step 3: Cross multiply
    104,167.02x = 156,259.76 × 29,287.82
  4. Step 4: Simplify right side
    104,167.02x = 4,576,507,724.12
  5. Step 5: Solve for x
    x = 4,576,507,724.12/104,167.02
  6. Step 6: Final answer
    x = 43,934.33

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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.