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Finding the Fourth Proportional to 159,664.56, 239,495.28 and 61,168.56

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Solution

The fourth proportional to 159,664.56, 239,495.28 and 61,168.56 is: 91,752.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,664.56 : 239,495.28 = 61,168.56 : x
  2. Step 2: Convert to fraction form
    159,664.56/239,495.28 = 61,168.56/x
  3. Step 3: Cross multiply
    159,664.56x = 239,495.28 × 61,168.56
  4. Step 4: Simplify right side
    159,664.56x = 14,649,581,404.40
  5. Step 5: Solve for x
    x = 14,649,581,404.40/159,664.56
  6. Step 6: Final answer
    x = 91,752.24

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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.