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Finding the Fourth Proportional to 344,469.60, 516,558.60 and 107,748.72

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Solution

The fourth proportional to 344,469.60, 516,558.60 and 107,748.72 is: 161,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,469.60 : 516,558.60 = 107,748.72 : x
  2. Step 2: Convert to fraction form
    344,469.60/516,558.60 = 107,748.72/x
  3. Step 3: Cross multiply
    344,469.60x = 516,558.60 × 107,748.72
  4. Step 4: Simplify right side
    344,469.60x = 55,658,527,954.99
  5. Step 5: Solve for x
    x = 55,658,527,954.99/344,469.60
  6. Step 6: Final answer
    x = 161,577.47

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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.