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Finding the Fourth Proportional to 197,495.86, 296,242.38 and 79,165.48

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Solution

The fourth proportional to 197,495.86, 296,242.38 and 79,165.48 is: 118,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,495.86 : 296,242.38 = 79,165.48 : x
  2. Step 2: Convert to fraction form
    197,495.86/296,242.38 = 79,165.48/x
  3. Step 3: Cross multiply
    197,495.86x = 296,242.38 × 79,165.48
  4. Step 4: Simplify right side
    197,495.86x = 23,452,170,209.04
  5. Step 5: Solve for x
    x = 23,452,170,209.04/197,495.86
  6. Step 6: Final answer
    x = 118,747.65

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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.