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Finding the Fourth Proportional to 73,127.25, 109,690.88 and 17,723.25

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Solution

The fourth proportional to 73,127.25, 109,690.88 and 17,723.25 is: 26,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,127.25 : 109,690.88 = 17,723.25 : x
  2. Step 2: Convert to fraction form
    73,127.25/109,690.88 = 17,723.25/x
  3. Step 3: Cross multiply
    73,127.25x = 109,690.88 × 17,723.25
  4. Step 4: Simplify right side
    73,127.25x = 1,944,078,800.34
  5. Step 5: Solve for x
    x = 1,944,078,800.34/73,127.25
  6. Step 6: Final answer
    x = 26,584.88

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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.