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Finding the Fourth Proportional to 104,658.22, 156,986.04 and 25,773.13

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Solution

The fourth proportional to 104,658.22, 156,986.04 and 25,773.13 is: 38,659.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,658.22 : 156,986.04 = 25,773.13 : x
  2. Step 2: Convert to fraction form
    104,658.22/156,986.04 = 25,773.13/x
  3. Step 3: Cross multiply
    104,658.22x = 156,986.04 × 25,773.13
  4. Step 4: Simplify right side
    104,658.22x = 4,046,021,617.11
  5. Step 5: Solve for x
    x = 4,046,021,617.11/104,658.22
  6. Step 6: Final answer
    x = 38,659.38

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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.