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Finding the Fourth Proportional to 79,421.82, 119,097.74 and 37,313.87

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Solution

The fourth proportional to 79,421.82, 119,097.74 and 37,313.87 is: 55,954.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,421.82 : 119,097.74 = 37,313.87 : x
  2. Step 2: Convert to fraction form
    79,421.82/119,097.74 = 37,313.87/x
  3. Step 3: Cross multiply
    79,421.82x = 119,097.74 × 37,313.87
  4. Step 4: Simplify right side
    79,421.82x = 4,443,997,587.65
  5. Step 5: Solve for x
    x = 4,443,997,587.65/79,421.82
  6. Step 6: Final answer
    x = 55,954.37

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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.