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Finding the Fourth Proportional to 230,984.90, 346,513.80 and 73,229.30

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Solution

The fourth proportional to 230,984.90, 346,513.80 and 73,229.30 is: 109,855.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,984.90 : 346,513.80 = 73,229.30 : x
  2. Step 2: Convert to fraction form
    230,984.90/346,513.80 = 73,229.30/x
  3. Step 3: Cross multiply
    230,984.90x = 346,513.80 × 73,229.30
  4. Step 4: Simplify right side
    230,984.90x = 25,374,963,014.34
  5. Step 5: Solve for x
    x = 25,374,963,014.34/230,984.90
  6. Step 6: Final answer
    x = 109,855.51

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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.