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Finding the Fourth Proportional to 79,552.02, 119,296.78 and 28,939.02

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Solution

The fourth proportional to 79,552.02, 119,296.78 and 28,939.02 is: 43,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,552.02 : 119,296.78 = 28,939.02 : x
  2. Step 2: Convert to fraction form
    79,552.02/119,296.78 = 28,939.02/x
  3. Step 3: Cross multiply
    79,552.02x = 119,296.78 × 28,939.02
  4. Step 4: Simplify right side
    79,552.02x = 3,452,331,902.36
  5. Step 5: Solve for x
    x = 3,452,331,902.36/79,552.02
  6. Step 6: Final answer
    x = 43,397.16

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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.