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Finding the Fourth Proportional to 169,169.76, 253,734.40 and 44,520.48

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Solution

The fourth proportional to 169,169.76, 253,734.40 and 44,520.48 is: 66,775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,169.76 : 253,734.40 = 44,520.48 : x
  2. Step 2: Convert to fraction form
    169,169.76/253,734.40 = 44,520.48/x
  3. Step 3: Cross multiply
    169,169.76x = 253,734.40 × 44,520.48
  4. Step 4: Simplify right side
    169,169.76x = 11,296,377,280.51
  5. Step 5: Solve for x
    x = 11,296,377,280.51/169,169.76
  6. Step 6: Final answer
    x = 66,775.39

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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.