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Finding the Fourth Proportional to 212,552.88, 318,754.17 and 62,753.10

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Solution

The fourth proportional to 212,552.88, 318,754.17 and 62,753.10 is: 94,107.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,552.88 : 318,754.17 = 62,753.10 : x
  2. Step 2: Convert to fraction form
    212,552.88/318,754.17 = 62,753.10/x
  3. Step 3: Cross multiply
    212,552.88x = 318,754.17 × 62,753.10
  4. Step 4: Simplify right side
    212,552.88x = 20,002,812,305.43
  5. Step 5: Solve for x
    x = 20,002,812,305.43/212,552.88
  6. Step 6: Final answer
    x = 94,107.46

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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.