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Finding the Fourth Proportional to 79,230.90, 118,893.08 and 29,346.04

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Solution

The fourth proportional to 79,230.90, 118,893.08 and 29,346.04 is: 44,036.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,230.90 : 118,893.08 = 29,346.04 : x
  2. Step 2: Convert to fraction form
    79,230.90/118,893.08 = 29,346.04/x
  3. Step 3: Cross multiply
    79,230.90x = 118,893.08 × 29,346.04
  4. Step 4: Simplify right side
    79,230.90x = 3,489,041,083.29
  5. Step 5: Solve for x
    x = 3,489,041,083.29/79,230.90
  6. Step 6: Final answer
    x = 44,036.37

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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.