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Finding the Fourth Proportional to 253,273.56, 349,536.49 and 144,380.49

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Solution

The fourth proportional to 253,273.56, 349,536.49 and 144,380.49 is: 199,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,273.56 : 349,536.49 = 144,380.49 : x
  2. Step 2: Convert to fraction form
    253,273.56/349,536.49 = 144,380.49/x
  3. Step 3: Cross multiply
    253,273.56x = 349,536.49 × 144,380.49
  4. Step 4: Simplify right side
    253,273.56x = 50,466,249,699.08
  5. Step 5: Solve for x
    x = 50,466,249,699.08/253,273.56
  6. Step 6: Final answer
    x = 199,255.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.