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Finding the Fourth Proportional to 344,436.75, 516,662.25 and 125,339.12

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Solution

The fourth proportional to 344,436.75, 516,662.25 and 125,339.12 is: 188,011.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,436.75 : 516,662.25 = 125,339.12 : x
  2. Step 2: Convert to fraction form
    344,436.75/516,662.25 = 125,339.12/x
  3. Step 3: Cross multiply
    344,436.75x = 516,662.25 × 125,339.12
  4. Step 4: Simplify right side
    344,436.75x = 64,757,989,168.91
  5. Step 5: Solve for x
    x = 64,757,989,168.91/344,436.75
  6. Step 6: Final answer
    x = 188,011.27

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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.