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Finding the Fourth Proportional to 169,183, 253,778.55 and 56,864.62

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Solution

The fourth proportional to 169,183, 253,778.55 and 56,864.62 is: 85,298.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,183 : 253,778.55 = 56,864.62 : x
  2. Step 2: Convert to fraction form
    169,183/253,778.55 = 56,864.62/x
  3. Step 3: Cross multiply
    169,183x = 253,778.55 × 56,864.62
  4. Step 4: Simplify right side
    169,183x = 14,431,020,809.90
  5. Step 5: Solve for x
    x = 14,431,020,809.90/169,183
  6. Step 6: Final answer
    x = 85,298.29

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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.