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Finding the Fourth Proportional to 166,963.36, 250,543.32 and 61,855.60

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Solution

The fourth proportional to 166,963.36, 250,543.32 and 61,855.60 is: 92,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,963.36 : 250,543.32 = 61,855.60 : x
  2. Step 2: Convert to fraction form
    166,963.36/250,543.32 = 61,855.60/x
  3. Step 3: Cross multiply
    166,963.36x = 250,543.32 × 61,855.60
  4. Step 4: Simplify right side
    166,963.36x = 15,497,507,384.59
  5. Step 5: Solve for x
    x = 15,497,507,384.59/166,963.36
  6. Step 6: Final answer
    x = 92,819.81

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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.