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Finding the Fourth Proportional to 159,670.63, 239,505.94 and 89,555.41

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Solution

The fourth proportional to 159,670.63, 239,505.94 and 89,555.41 is: 134,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,670.63 : 239,505.94 = 89,555.41 : x
  2. Step 2: Convert to fraction form
    159,670.63/239,505.94 = 89,555.41/x
  3. Step 3: Cross multiply
    159,670.63x = 239,505.94 × 89,555.41
  4. Step 4: Simplify right side
    159,670.63x = 21,449,051,456.61
  5. Step 5: Solve for x
    x = 21,449,051,456.61/159,670.63
  6. Step 6: Final answer
    x = 134,333.11

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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.