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Finding the Fourth Proportional to 344,662.22, 516,993.52 and 157,542.50

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Solution

The fourth proportional to 344,662.22, 516,993.52 and 157,542.50 is: 236,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,662.22 : 516,993.52 = 157,542.50 : x
  2. Step 2: Convert to fraction form
    344,662.22/516,993.52 = 157,542.50/x
  3. Step 3: Cross multiply
    344,662.22x = 516,993.52 × 157,542.50
  4. Step 4: Simplify right side
    344,662.22x = 81,448,451,624.60
  5. Step 5: Solve for x
    x = 81,448,451,624.60/344,662.22
  6. Step 6: Final answer
    x = 236,313.84

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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.