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Finding the Fourth Proportional to 335,469.63, 503,192.33 and 145,930.13

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Solution

The fourth proportional to 335,469.63, 503,192.33 and 145,930.13 is: 218,889.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,469.63 : 503,192.33 = 145,930.13 : x
  2. Step 2: Convert to fraction form
    335,469.63/503,192.33 = 145,930.13/x
  3. Step 3: Cross multiply
    335,469.63x = 503,192.33 × 145,930.13
  4. Step 4: Simplify right side
    335,469.63x = 73,430,922,131.90
  5. Step 5: Solve for x
    x = 73,430,922,131.90/335,469.63
  6. Step 6: Final answer
    x = 218,889.92

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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.