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Finding the Fourth Proportional to 169,335.54, 253,825.49 and 56,976.75

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Solution

The fourth proportional to 169,335.54, 253,825.49 and 56,976.75 is: 85,405.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,335.54 : 253,825.49 = 56,976.75 : x
  2. Step 2: Convert to fraction form
    169,335.54/253,825.49 = 56,976.75/x
  3. Step 3: Cross multiply
    169,335.54x = 253,825.49 × 56,976.75
  4. Step 4: Simplify right side
    169,335.54x = 14,462,149,933.35
  5. Step 5: Solve for x
    x = 14,462,149,933.35/169,335.54
  6. Step 6: Final answer
    x = 85,405.29

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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.