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Finding the Fourth Proportional to 333,170.13, 499,754.81 and 108,530.21

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Solution

The fourth proportional to 333,170.13, 499,754.81 and 108,530.21 is: 162,795.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,170.13 : 499,754.81 = 108,530.21 : x
  2. Step 2: Convert to fraction form
    333,170.13/499,754.81 = 108,530.21/x
  3. Step 3: Cross multiply
    333,170.13x = 499,754.81 × 108,530.21
  4. Step 4: Simplify right side
    333,170.13x = 54,238,491,436.39
  5. Step 5: Solve for x
    x = 54,238,491,436.39/333,170.13
  6. Step 6: Final answer
    x = 162,795.18

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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.