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Finding the Fourth Proportional to 109,933.40, 164,900.10 and 62,694.20

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Solution

The fourth proportional to 109,933.40, 164,900.10 and 62,694.20 is: 94,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,933.40 : 164,900.10 = 62,694.20 : x
  2. Step 2: Convert to fraction form
    109,933.40/164,900.10 = 62,694.20/x
  3. Step 3: Cross multiply
    109,933.40x = 164,900.10 × 62,694.20
  4. Step 4: Simplify right side
    109,933.40x = 10,338,279,849.42
  5. Step 5: Solve for x
    x = 10,338,279,849.42/109,933.40
  6. Step 6: Final answer
    x = 94,041.30

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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.