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Finding the Fourth Proportional to 347,711.08, 521,523.06 and 111,034.12

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Solution

The fourth proportional to 347,711.08, 521,523.06 and 111,034.12 is: 166,537.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,711.08 : 521,523.06 = 111,034.12 : x
  2. Step 2: Convert to fraction form
    347,711.08/521,523.06 = 111,034.12/x
  3. Step 3: Cross multiply
    347,711.08x = 521,523.06 × 111,034.12
  4. Step 4: Simplify right side
    347,711.08x = 57,906,854,026.81
  5. Step 5: Solve for x
    x = 57,906,854,026.81/347,711.08
  6. Step 6: Final answer
    x = 166,537.27

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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.