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Finding the Fourth Proportional to 73,225.99, 109,839.90 and 23,305.89

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Solution

The fourth proportional to 73,225.99, 109,839.90 and 23,305.89 is: 34,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,225.99 : 109,839.90 = 23,305.89 : x
  2. Step 2: Convert to fraction form
    73,225.99/109,839.90 = 23,305.89/x
  3. Step 3: Cross multiply
    73,225.99x = 109,839.90 × 23,305.89
  4. Step 4: Simplify right side
    73,225.99x = 2,559,916,995.21
  5. Step 5: Solve for x
    x = 2,559,916,995.21/73,225.99
  6. Step 6: Final answer
    x = 34,959.13

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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.