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Finding the Fourth Proportional to 169,182, 253,777.05 and 56,863.62

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Solution

The fourth proportional to 169,182, 253,777.05 and 56,863.62 is: 85,296.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,182 : 253,777.05 = 56,863.62 : x
  2. Step 2: Convert to fraction form
    169,182/253,777.05 = 56,863.62/x
  3. Step 3: Cross multiply
    169,182x = 253,777.05 × 56,863.62
  4. Step 4: Simplify right side
    169,182x = 14,430,681,735.92
  5. Step 5: Solve for x
    x = 14,430,681,735.92/169,182
  6. Step 6: Final answer
    x = 85,296.79

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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.