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Finding the Fourth Proportional to 79,102.44, 118,678.50 and 34,766.46

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Solution

The fourth proportional to 79,102.44, 118,678.50 and 34,766.46 is: 52,160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,102.44 : 118,678.50 = 34,766.46 : x
  2. Step 2: Convert to fraction form
    79,102.44/118,678.50 = 34,766.46/x
  3. Step 3: Cross multiply
    79,102.44x = 118,678.50 × 34,766.46
  4. Step 4: Simplify right side
    79,102.44x = 4,126,031,323.11
  5. Step 5: Solve for x
    x = 4,126,031,323.11/79,102.44
  6. Step 6: Final answer
    x = 52,160.61

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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.