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Finding the Fourth Proportional to 79,495.28, 119,150.76 and 74,887.28

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Solution

The fourth proportional to 79,495.28, 119,150.76 and 74,887.28 is: 112,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,495.28 : 119,150.76 = 74,887.28 : x
  2. Step 2: Convert to fraction form
    79,495.28/119,150.76 = 74,887.28/x
  3. Step 3: Cross multiply
    79,495.28x = 119,150.76 × 74,887.28
  4. Step 4: Simplify right side
    79,495.28x = 8,922,876,326.33
  5. Step 5: Solve for x
    x = 8,922,876,326.33/79,495.28
  6. Step 6: Final answer
    x = 112,244.10

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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.