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Finding the Fourth Proportional to 166,893.60, 250,314.24 and 54,572.88

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Solution

The fourth proportional to 166,893.60, 250,314.24 and 54,572.88 is: 81,850.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,893.60 : 250,314.24 = 54,572.88 : x
  2. Step 2: Convert to fraction form
    166,893.60/250,314.24 = 54,572.88/x
  3. Step 3: Cross multiply
    166,893.60x = 250,314.24 × 54,572.88
  4. Step 4: Simplify right side
    166,893.60x = 13,660,368,981.81
  5. Step 5: Solve for x
    x = 13,660,368,981.81/166,893.60
  6. Step 6: Final answer
    x = 81,850.77

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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.