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Finding the Fourth Proportional to 347,937.24, 521,983.62 and 111,294.12

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Solution

The fourth proportional to 347,937.24, 521,983.62 and 111,294.12 is: 166,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,937.24 : 521,983.62 = 111,294.12 : x
  2. Step 2: Convert to fraction form
    347,937.24/521,983.62 = 111,294.12/x
  3. Step 3: Cross multiply
    347,937.24x = 521,983.62 × 111,294.12
  4. Step 4: Simplify right side
    347,937.24x = 58,093,707,642.31
  5. Step 5: Solve for x
    x = 58,093,707,642.31/347,937.24
  6. Step 6: Final answer
    x = 166,966.05

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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.