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Finding the Fourth Proportional to 344,063.59, 516,095.43 and 107,426.54

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Solution

The fourth proportional to 344,063.59, 516,095.43 and 107,426.54 is: 161,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,063.59 : 516,095.43 = 107,426.54 : x
  2. Step 2: Convert to fraction form
    344,063.59/516,095.43 = 107,426.54/x
  3. Step 3: Cross multiply
    344,063.59x = 516,095.43 × 107,426.54
  4. Step 4: Simplify right side
    344,063.59x = 55,442,346,354.71
  5. Step 5: Solve for x
    x = 55,442,346,354.71/344,063.59
  6. Step 6: Final answer
    x = 161,139.82

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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.