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Finding the Fourth Proportional to 73,042.72, 109,564.08 and 29,297.44

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Solution

The fourth proportional to 73,042.72, 109,564.08 and 29,297.44 is: 43,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,042.72 : 109,564.08 = 29,297.44 : x
  2. Step 2: Convert to fraction form
    73,042.72/109,564.08 = 29,297.44/x
  3. Step 3: Cross multiply
    73,042.72x = 109,564.08 × 29,297.44
  4. Step 4: Simplify right side
    73,042.72x = 3,209,947,059.96
  5. Step 5: Solve for x
    x = 3,209,947,059.96/73,042.72
  6. Step 6: Final answer
    x = 43,946.16

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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.