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Finding the Fourth Proportional to 333,753.51, 500,661 and 109,115.13

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Solution

The fourth proportional to 333,753.51, 500,661 and 109,115.13 is: 163,682.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,753.51 : 500,661 = 109,115.13 : x
  2. Step 2: Convert to fraction form
    333,753.51/500,661 = 109,115.13/x
  3. Step 3: Cross multiply
    333,753.51x = 500,661 × 109,115.13
  4. Step 4: Simplify right side
    333,753.51x = 54,629,690,100.93
  5. Step 5: Solve for x
    x = 54,629,690,100.93/333,753.51
  6. Step 6: Final answer
    x = 163,682.74

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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.