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Finding the Fourth Proportional to 223,815.88, 335,727.36 and 124,606.64

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Solution

The fourth proportional to 223,815.88, 335,727.36 and 124,606.64 is: 186,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,815.88 : 335,727.36 = 124,606.64 : x
  2. Step 2: Convert to fraction form
    223,815.88/335,727.36 = 124,606.64/x
  3. Step 3: Cross multiply
    223,815.88x = 335,727.36 × 124,606.64
  4. Step 4: Simplify right side
    223,815.88x = 41,833,858,285.67
  5. Step 5: Solve for x
    x = 41,833,858,285.67/223,815.88
  6. Step 6: Final answer
    x = 186,911.93

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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.