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Finding the Fourth Proportional to 79,451.64, 119,119.68 and 37,310.01

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Solution

The fourth proportional to 79,451.64, 119,119.68 and 37,310.01 is: 55,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,451.64 : 119,119.68 = 37,310.01 : x
  2. Step 2: Convert to fraction form
    79,451.64/119,119.68 = 37,310.01/x
  3. Step 3: Cross multiply
    79,451.64x = 119,119.68 × 37,310.01
  4. Step 4: Simplify right side
    79,451.64x = 4,444,356,452.00
  5. Step 5: Solve for x
    x = 4,444,356,452.00/79,451.64
  6. Step 6: Final answer
    x = 55,937.88

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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.