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Finding the Fourth Proportional to 162,553.62, 243,846.84 and 61,326.28

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Solution

The fourth proportional to 162,553.62, 243,846.84 and 61,326.28 is: 91,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,553.62 : 243,846.84 = 61,326.28 : x
  2. Step 2: Convert to fraction form
    162,553.62/243,846.84 = 61,326.28/x
  3. Step 3: Cross multiply
    162,553.62x = 243,846.84 × 61,326.28
  4. Step 4: Simplify right side
    162,553.62x = 14,954,219,586.96
  5. Step 5: Solve for x
    x = 14,954,219,586.96/162,553.62
  6. Step 6: Final answer
    x = 91,995.61

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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.