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Finding the Fourth Proportional to 335,523.36, 503,129.51 and 125,104.80

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Solution

The fourth proportional to 335,523.36, 503,129.51 and 125,104.80 is: 187,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,523.36 : 503,129.51 = 125,104.80 : x
  2. Step 2: Convert to fraction form
    335,523.36/503,129.51 = 125,104.80/x
  3. Step 3: Cross multiply
    335,523.36x = 503,129.51 × 125,104.80
  4. Step 4: Simplify right side
    335,523.36x = 62,943,916,722.65
  5. Step 5: Solve for x
    x = 62,943,916,722.65/335,523.36
  6. Step 6: Final answer
    x = 187,599.21

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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.