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Finding the Fourth Proportional to 79,290.68, 118,702.67 and 52,930.04

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Solution

The fourth proportional to 79,290.68, 118,702.67 and 52,930.04 is: 79,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,290.68 : 118,702.67 = 52,930.04 : x
  2. Step 2: Convert to fraction form
    79,290.68/118,702.67 = 52,930.04/x
  3. Step 3: Cross multiply
    79,290.68x = 118,702.67 × 52,930.04
  4. Step 4: Simplify right side
    79,290.68x = 6,282,936,213.04
  5. Step 5: Solve for x
    x = 6,282,936,213.04/79,290.68
  6. Step 6: Final answer
    x = 79,239.28

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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.