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Finding the Fourth Proportional to 169,401.64, 253,763.65 and 101,896.39

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Solution

The fourth proportional to 169,401.64, 253,763.65 and 101,896.39 is: 152,640.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,401.64 : 253,763.65 = 101,896.39 : x
  2. Step 2: Convert to fraction form
    169,401.64/253,763.65 = 101,896.39/x
  3. Step 3: Cross multiply
    169,401.64x = 253,763.65 × 101,896.39
  4. Step 4: Simplify right side
    169,401.64x = 25,857,599,848.22
  5. Step 5: Solve for x
    x = 25,857,599,848.22/169,401.64
  6. Step 6: Final answer
    x = 152,640.79

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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.