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Finding the Fourth Proportional to 79,565.56, 119,188.46 and 36,811.06

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Solution

The fourth proportional to 79,565.56, 119,188.46 and 36,811.06 is: 55,142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,565.56 : 119,188.46 = 36,811.06 : x
  2. Step 2: Convert to fraction form
    79,565.56/119,188.46 = 36,811.06/x
  3. Step 3: Cross multiply
    79,565.56x = 119,188.46 × 36,811.06
  4. Step 4: Simplify right side
    79,565.56x = 4,387,453,552.37
  5. Step 5: Solve for x
    x = 4,387,453,552.37/79,565.56
  6. Step 6: Final answer
    x = 55,142.62

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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.