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Finding the Fourth Proportional to 169,695.42, 234,172.11 and 101,749.89

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Solution

The fourth proportional to 169,695.42, 234,172.11 and 101,749.89 is: 140,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,695.42 : 234,172.11 = 101,749.89 : x
  2. Step 2: Convert to fraction form
    169,695.42/234,172.11 = 101,749.89/x
  3. Step 3: Cross multiply
    169,695.42x = 234,172.11 × 101,749.89
  4. Step 4: Simplify right side
    169,695.42x = 23,826,986,687.94
  5. Step 5: Solve for x
    x = 23,826,986,687.94/169,695.42
  6. Step 6: Final answer
    x = 140,410.31

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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.