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Finding the Fourth Proportional to 237,768.36, 356,707.17 and 79,992.60

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Solution

The fourth proportional to 237,768.36, 356,707.17 and 79,992.60 is: 120,007.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,768.36 : 356,707.17 = 79,992.60 : x
  2. Step 2: Convert to fraction form
    237,768.36/356,707.17 = 79,992.60/x
  3. Step 3: Cross multiply
    237,768.36x = 356,707.17 × 79,992.60
  4. Step 4: Simplify right side
    237,768.36x = 28,533,933,966.94
  5. Step 5: Solve for x
    x = 28,533,933,966.94/237,768.36
  6. Step 6: Final answer
    x = 120,007.28

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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.