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Finding the Fourth Proportional to 223,816.88, 335,728.86 and 124,607.64

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Solution

The fourth proportional to 223,816.88, 335,728.86 and 124,607.64 is: 186,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,816.88 : 335,728.86 = 124,607.64 : x
  2. Step 2: Convert to fraction form
    223,816.88/335,728.86 = 124,607.64/x
  3. Step 3: Cross multiply
    223,816.88x = 335,728.86 × 124,607.64
  4. Step 4: Simplify right side
    223,816.88x = 41,834,380,924.49
  5. Step 5: Solve for x
    x = 41,834,380,924.49/223,816.88
  6. Step 6: Final answer
    x = 186,913.43

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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.