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Finding the Fourth Proportional to 169,908.72, 234,385.70 and 101,893.02

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Solution

The fourth proportional to 169,908.72, 234,385.70 and 101,893.02 is: 140,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,908.72 : 234,385.70 = 101,893.02 : x
  2. Step 2: Convert to fraction form
    169,908.72/234,385.70 = 101,893.02/x
  3. Step 3: Cross multiply
    169,908.72x = 234,385.70 × 101,893.02
  4. Step 4: Simplify right side
    169,908.72x = 23,882,266,308.35
  5. Step 5: Solve for x
    x = 23,882,266,308.35/169,908.72
  6. Step 6: Final answer
    x = 140,559.39

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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.