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Finding the Fourth Proportional to 168,029.01, 252,092.72 and 49,703.50

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Solution

The fourth proportional to 168,029.01, 252,092.72 and 49,703.50 is: 74,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,029.01 : 252,092.72 = 49,703.50 : x
  2. Step 2: Convert to fraction form
    168,029.01/252,092.72 = 49,703.50/x
  3. Step 3: Cross multiply
    168,029.01x = 252,092.72 × 49,703.50
  4. Step 4: Simplify right side
    168,029.01x = 12,529,890,508.52
  5. Step 5: Solve for x
    x = 12,529,890,508.52/168,029.01
  6. Step 6: Final answer
    x = 74,569.80

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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.