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Finding the Fourth Proportional to 223,337.90, 308,218.12 and 126,560.52

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Solution

The fourth proportional to 223,337.90, 308,218.12 and 126,560.52 is: 174,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,337.90 : 308,218.12 = 126,560.52 : x
  2. Step 2: Convert to fraction form
    223,337.90/308,218.12 = 126,560.52/x
  3. Step 3: Cross multiply
    223,337.90x = 308,218.12 × 126,560.52
  4. Step 4: Simplify right side
    223,337.90x = 39,008,245,224.22
  5. Step 5: Solve for x
    x = 39,008,245,224.22/223,337.90
  6. Step 6: Final answer
    x = 174,660.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.