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Finding the Fourth Proportional to 79,462.77, 119,191.45 and 37,319.28

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Solution

The fourth proportional to 79,462.77, 119,191.45 and 37,319.28 is: 55,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,462.77 : 119,191.45 = 37,319.28 : x
  2. Step 2: Convert to fraction form
    79,462.77/119,191.45 = 37,319.28/x
  3. Step 3: Cross multiply
    79,462.77x = 119,191.45 × 37,319.28
  4. Step 4: Simplify right side
    79,462.77x = 4,448,139,096.16
  5. Step 5: Solve for x
    x = 4,448,139,096.16/79,462.77
  6. Step 6: Final answer
    x = 55,977.65

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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.