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Finding the Fourth Proportional to 467,977.80, 702,080.10 and 135,553.80

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Solution

The fourth proportional to 467,977.80, 702,080.10 and 135,553.80 is: 203,363.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,977.80 : 702,080.10 = 135,553.80 : x
  2. Step 2: Convert to fraction form
    467,977.80/702,080.10 = 135,553.80/x
  3. Step 3: Cross multiply
    467,977.80x = 702,080.10 × 135,553.80
  4. Step 4: Simplify right side
    467,977.80x = 95,169,625,459.38
  5. Step 5: Solve for x
    x = 95,169,625,459.38/467,977.80
  6. Step 6: Final answer
    x = 203,363.55

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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.