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Finding the Fourth Proportional to 344,099.96, 516,062.28 and 107,466.56

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Solution

The fourth proportional to 344,099.96, 516,062.28 and 107,466.56 is: 161,172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,099.96 : 516,062.28 = 107,466.56 : x
  2. Step 2: Convert to fraction form
    344,099.96/516,062.28 = 107,466.56/x
  3. Step 3: Cross multiply
    344,099.96x = 516,062.28 × 107,466.56
  4. Step 4: Simplify right side
    344,099.96x = 55,459,437,977.36
  5. Step 5: Solve for x
    x = 55,459,437,977.36/344,099.96
  6. Step 6: Final answer
    x = 161,172.46

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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.