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Finding the Fourth Proportional to 166,898.20, 250,371.60 and 54,551.20

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Solution

The fourth proportional to 166,898.20, 250,371.60 and 54,551.20 is: 81,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,898.20 : 250,371.60 = 54,551.20 : x
  2. Step 2: Convert to fraction form
    166,898.20/250,371.60 = 54,551.20/x
  3. Step 3: Cross multiply
    166,898.20x = 250,371.60 × 54,551.20
  4. Step 4: Simplify right side
    166,898.20x = 13,658,071,225.92
  5. Step 5: Solve for x
    x = 13,658,071,225.92/166,898.20
  6. Step 6: Final answer
    x = 81,834.74

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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.