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Finding the Fourth Proportional to 104,064.72, 156,079.47 and 29,167.65

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Solution

The fourth proportional to 104,064.72, 156,079.47 and 29,167.65 is: 43,746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,064.72 : 156,079.47 = 29,167.65 : x
  2. Step 2: Convert to fraction form
    104,064.72/156,079.47 = 29,167.65/x
  3. Step 3: Cross multiply
    104,064.72x = 156,079.47 × 29,167.65
  4. Step 4: Simplify right side
    104,064.72x = 4,552,471,353.15
  5. Step 5: Solve for x
    x = 4,552,471,353.15/104,064.72
  6. Step 6: Final answer
    x = 43,746.54

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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.