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Finding the Fourth Proportional to 79,480.58, 119,143.11 and 37,956.74

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Solution

The fourth proportional to 79,480.58, 119,143.11 and 37,956.74 is: 56,897.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,480.58 : 119,143.11 = 37,956.74 : x
  2. Step 2: Convert to fraction form
    79,480.58/119,143.11 = 37,956.74/x
  3. Step 3: Cross multiply
    79,480.58x = 119,143.11 × 37,956.74
  4. Step 4: Simplify right side
    79,480.58x = 4,522,284,049.06
  5. Step 5: Solve for x
    x = 4,522,284,049.06/79,480.58
  6. Step 6: Final answer
    x = 56,897.97

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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.