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Finding the Fourth Proportional to 347,651.80, 521,559.07 and 107,753.16

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Solution

The fourth proportional to 347,651.80, 521,559.07 and 107,753.16 is: 161,654.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,651.80 : 521,559.07 = 107,753.16 : x
  2. Step 2: Convert to fraction form
    347,651.80/521,559.07 = 107,753.16/x
  3. Step 3: Cross multiply
    347,651.80x = 521,559.07 × 107,753.16
  4. Step 4: Simplify right side
    347,651.80x = 56,199,639,605.62
  5. Step 5: Solve for x
    x = 56,199,639,605.62/347,651.80
  6. Step 6: Final answer
    x = 161,654.96

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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.