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Finding the Fourth Proportional to 159,543.66, 239,349.54 and 79,624.62

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Solution

The fourth proportional to 159,543.66, 239,349.54 and 79,624.62 is: 119,453.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,543.66 : 239,349.54 = 79,624.62 : x
  2. Step 2: Convert to fraction form
    159,543.66/239,349.54 = 79,624.62/x
  3. Step 3: Cross multiply
    159,543.66x = 239,349.54 × 79,624.62
  4. Step 4: Simplify right side
    159,543.66x = 19,058,116,169.67
  5. Step 5: Solve for x
    x = 19,058,116,169.67/159,543.66
  6. Step 6: Final answer
    x = 119,453.92

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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.