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Finding the Fourth Proportional to 169,195, 253,796.58 and 56,876.68

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Solution

The fourth proportional to 169,195, 253,796.58 and 56,876.68 is: 85,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,195 : 253,796.58 = 56,876.68 : x
  2. Step 2: Convert to fraction form
    169,195/253,796.58 = 56,876.68/x
  3. Step 3: Cross multiply
    169,195x = 253,796.58 × 56,876.68
  4. Step 4: Simplify right side
    169,195x = 14,435,106,865.75
  5. Step 5: Solve for x
    x = 14,435,106,865.75/169,195
  6. Step 6: Final answer
    x = 85,316.39

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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.