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Finding the Fourth Proportional to 159,495.91, 239,018.18 and 88,449.80

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Solution

The fourth proportional to 159,495.91, 239,018.18 and 88,449.80 is: 132,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,495.91 : 239,018.18 = 88,449.80 : x
  2. Step 2: Convert to fraction form
    159,495.91/239,018.18 = 88,449.80/x
  3. Step 3: Cross multiply
    159,495.91x = 239,018.18 × 88,449.80
  4. Step 4: Simplify right side
    159,495.91x = 21,141,108,580.02
  5. Step 5: Solve for x
    x = 21,141,108,580.02/159,495.91
  6. Step 6: Final answer
    x = 132,549.54

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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.