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Finding the Fourth Proportional to 204,821.80, 307,232.70 and 152,333.80

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Solution

The fourth proportional to 204,821.80, 307,232.70 and 152,333.80 is: 228,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,821.80 : 307,232.70 = 152,333.80 : x
  2. Step 2: Convert to fraction form
    204,821.80/307,232.70 = 152,333.80/x
  3. Step 3: Cross multiply
    204,821.80x = 307,232.70 × 152,333.80
  4. Step 4: Simplify right side
    204,821.80x = 46,801,924,675.26
  5. Step 5: Solve for x
    x = 46,801,924,675.26/204,821.80
  6. Step 6: Final answer
    x = 228,500.70

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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.