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Finding the Fourth Proportional to 166,921.94, 250,398.44 and 54,602.89

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Solution

The fourth proportional to 166,921.94, 250,398.44 and 54,602.89 is: 81,909.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,921.94 : 250,398.44 = 54,602.89 : x
  2. Step 2: Convert to fraction form
    166,921.94/250,398.44 = 54,602.89/x
  3. Step 3: Cross multiply
    166,921.94x = 250,398.44 × 54,602.89
  4. Step 4: Simplify right side
    166,921.94x = 13,672,478,475.49
  5. Step 5: Solve for x
    x = 13,672,478,475.49/166,921.94
  6. Step 6: Final answer
    x = 81,909.42

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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.