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Finding the Fourth Proportional to 171,118.66, 256,702.11 and 52,799.62

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Solution

The fourth proportional to 171,118.66, 256,702.11 and 52,799.62 is: 79,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,118.66 : 256,702.11 = 52,799.62 : x
  2. Step 2: Convert to fraction form
    171,118.66/256,702.11 = 52,799.62/x
  3. Step 3: Cross multiply
    171,118.66x = 256,702.11 × 52,799.62
  4. Step 4: Simplify right side
    171,118.66x = 13,553,772,313.69
  5. Step 5: Solve for x
    x = 13,553,772,313.69/171,118.66
  6. Step 6: Final answer
    x = 79,206.87

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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.