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Finding the Fourth Proportional to 166,998.96, 250,444.98 and 54,648.72

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Solution

The fourth proportional to 166,998.96, 250,444.98 and 54,648.72 is: 81,955.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,998.96 : 250,444.98 = 54,648.72 : x
  2. Step 2: Convert to fraction form
    166,998.96/250,444.98 = 54,648.72/x
  3. Step 3: Cross multiply
    166,998.96x = 250,444.98 × 54,648.72
  4. Step 4: Simplify right side
    166,998.96x = 13,686,497,587.43
  5. Step 5: Solve for x
    x = 13,686,497,587.43/166,998.96
  6. Step 6: Final answer
    x = 81,955.59

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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.