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Finding the Fourth Proportional to 79,046.78, 118,611.06 and 34,704.68

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Solution

The fourth proportional to 79,046.78, 118,611.06 and 34,704.68 is: 52,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,046.78 : 118,611.06 = 34,704.68 : x
  2. Step 2: Convert to fraction form
    79,046.78/118,611.06 = 34,704.68/x
  3. Step 3: Cross multiply
    79,046.78x = 118,611.06 × 34,704.68
  4. Step 4: Simplify right side
    79,046.78x = 4,116,358,881.76
  5. Step 5: Solve for x
    x = 4,116,358,881.76/79,046.78
  6. Step 6: Final answer
    x = 52,074.97

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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.