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Finding the Fourth Proportional to 344,575.79, 516,863.37 and 107,936.93

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Solution

The fourth proportional to 344,575.79, 516,863.37 and 107,936.93 is: 161,905.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,575.79 : 516,863.37 = 107,936.93 : x
  2. Step 2: Convert to fraction form
    344,575.79/516,863.37 = 107,936.93/x
  3. Step 3: Cross multiply
    344,575.79x = 516,863.37 × 107,936.93
  4. Step 4: Simplify right side
    344,575.79x = 55,788,642,802.94
  5. Step 5: Solve for x
    x = 55,788,642,802.94/344,575.79
  6. Step 6: Final answer
    x = 161,905.29

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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.