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Finding the Fourth Proportional to 79,044.78, 118,608.06 and 34,702.68

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Solution

The fourth proportional to 79,044.78, 118,608.06 and 34,702.68 is: 52,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,044.78 : 118,608.06 = 34,702.68 : x
  2. Step 2: Convert to fraction form
    79,044.78/118,608.06 = 34,702.68/x
  3. Step 3: Cross multiply
    79,044.78x = 118,608.06 × 34,702.68
  4. Step 4: Simplify right side
    79,044.78x = 4,116,017,551.60
  5. Step 5: Solve for x
    x = 4,116,017,551.60/79,044.78
  6. Step 6: Final answer
    x = 52,071.97

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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.