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Finding the Fourth Proportional to 79,370.72, 119,055.36 and 23,966.72

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Solution

The fourth proportional to 79,370.72, 119,055.36 and 23,966.72 is: 35,949.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,370.72 : 119,055.36 = 23,966.72 : x
  2. Step 2: Convert to fraction form
    79,370.72/119,055.36 = 23,966.72/x
  3. Step 3: Cross multiply
    79,370.72x = 119,055.36 × 23,966.72
  4. Step 4: Simplify right side
    79,370.72x = 2,853,366,477.62
  5. Step 5: Solve for x
    x = 2,853,366,477.62/79,370.72
  6. Step 6: Final answer
    x = 35,949.86

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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.