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Finding the Fourth Proportional to 169,805.23, 254,818.41 and 64,625.11

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Solution

The fourth proportional to 169,805.23, 254,818.41 and 64,625.11 is: 96,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,805.23 : 254,818.41 = 64,625.11 : x
  2. Step 2: Convert to fraction form
    169,805.23/254,818.41 = 64,625.11/x
  3. Step 3: Cross multiply
    169,805.23x = 254,818.41 × 64,625.11
  4. Step 4: Simplify right side
    169,805.23x = 16,467,667,776.28
  5. Step 5: Solve for x
    x = 16,467,667,776.28/169,805.23
  6. Step 6: Final answer
    x = 96,979.74

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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.