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Finding the Fourth Proportional to 166,657, 250,011.57 and 54,311.14

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Solution

The fourth proportional to 166,657, 250,011.57 and 54,311.14 is: 81,475.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,657 : 250,011.57 = 54,311.14 : x
  2. Step 2: Convert to fraction form
    166,657/250,011.57 = 54,311.14/x
  3. Step 3: Cross multiply
    166,657x = 250,011.57 × 54,311.14
  4. Step 4: Simplify right side
    166,657x = 13,578,413,379.89
  5. Step 5: Solve for x
    x = 13,578,413,379.89/166,657
  6. Step 6: Final answer
    x = 81,475.21

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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.