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Finding the Fourth Proportional to 79,448.72, 119,203.86 and 35,044.13

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Solution

The fourth proportional to 79,448.72, 119,203.86 and 35,044.13 is: 52,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,448.72 : 119,203.86 = 35,044.13 : x
  2. Step 2: Convert to fraction form
    79,448.72/119,203.86 = 35,044.13/x
  3. Step 3: Cross multiply
    79,448.72x = 119,203.86 × 35,044.13
  4. Step 4: Simplify right side
    79,448.72x = 4,177,395,566.34
  5. Step 5: Solve for x
    x = 4,177,395,566.34/79,448.72
  6. Step 6: Final answer
    x = 52,579.77

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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.