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Finding the Fourth Proportional to 79,133.36, 118,700.04 and 67,371.44

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Solution

The fourth proportional to 79,133.36, 118,700.04 and 67,371.44 is: 101,057.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,133.36 : 118,700.04 = 67,371.44 : x
  2. Step 2: Convert to fraction form
    79,133.36/118,700.04 = 67,371.44/x
  3. Step 3: Cross multiply
    79,133.36x = 118,700.04 × 67,371.44
  4. Step 4: Simplify right side
    79,133.36x = 7,996,992,622.86
  5. Step 5: Solve for x
    x = 7,996,992,622.86/79,133.36
  6. Step 6: Final answer
    x = 101,057.16

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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.