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Finding the Fourth Proportional to 169,343.82, 253,924.98 and 56,986.68

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Solution

The fourth proportional to 169,343.82, 253,924.98 and 56,986.68 is: 85,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,343.82 : 253,924.98 = 56,986.68 : x
  2. Step 2: Convert to fraction form
    169,343.82/253,924.98 = 56,986.68/x
  3. Step 3: Cross multiply
    169,343.82x = 253,924.98 × 56,986.68
  4. Step 4: Simplify right side
    169,343.82x = 14,470,341,579.27
  5. Step 5: Solve for x
    x = 14,470,341,579.27/169,343.82
  6. Step 6: Final answer
    x = 85,449.48

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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.