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Finding the Fourth Proportional to 275,529.80, 413,139.36 and 95,530.79

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Solution

The fourth proportional to 275,529.80, 413,139.36 and 95,530.79 is: 143,242.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,529.80 : 413,139.36 = 95,530.79 : x
  2. Step 2: Convert to fraction form
    275,529.80/413,139.36 = 95,530.79/x
  3. Step 3: Cross multiply
    275,529.80x = 413,139.36 × 95,530.79
  4. Step 4: Simplify right side
    275,529.80x = 39,467,529,440.89
  5. Step 5: Solve for x
    x = 39,467,529,440.89/275,529.80
  6. Step 6: Final answer
    x = 143,242.33

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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.