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Finding the Fourth Proportional to 347,662.33, 521,574.82 and 107,763.67

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Solution

The fourth proportional to 347,662.33, 521,574.82 and 107,763.67 is: 161,670.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,662.33 : 521,574.82 = 107,763.67 : x
  2. Step 2: Convert to fraction form
    347,662.33/521,574.82 = 107,763.67/x
  3. Step 3: Cross multiply
    347,662.33x = 521,574.82 × 107,763.67
  4. Step 4: Simplify right side
    347,662.33x = 56,206,815,209.44
  5. Step 5: Solve for x
    x = 56,206,815,209.44/347,662.33
  6. Step 6: Final answer
    x = 161,670.71

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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.