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Finding the Fourth Proportional to 169,251.88, 253,884.78 and 139,614.52

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Solution

The fourth proportional to 169,251.88, 253,884.78 and 139,614.52 is: 209,427.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,251.88 : 253,884.78 = 139,614.52 : x
  2. Step 2: Convert to fraction form
    169,251.88/253,884.78 = 139,614.52/x
  3. Step 3: Cross multiply
    169,251.88x = 253,884.78 × 139,614.52
  4. Step 4: Simplify right side
    169,251.88x = 35,446,001,695.01
  5. Step 5: Solve for x
    x = 35,446,001,695.01/169,251.88
  6. Step 6: Final answer
    x = 209,427.52

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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.