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Finding the Fourth Proportional to 335,661.60, 503,499.12 and 125,257.56

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Solution

The fourth proportional to 335,661.60, 503,499.12 and 125,257.56 is: 187,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,661.60 : 503,499.12 = 125,257.56 : x
  2. Step 2: Convert to fraction form
    335,661.60/503,499.12 = 125,257.56/x
  3. Step 3: Cross multiply
    335,661.60x = 503,499.12 × 125,257.56
  4. Step 4: Simplify right side
    335,661.60x = 63,067,071,233.35
  5. Step 5: Solve for x
    x = 63,067,071,233.35/335,661.60
  6. Step 6: Final answer
    x = 187,888.85

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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.