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Finding the Fourth Proportional to 193,367.16, 266,847.60 and 108,484.80

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Solution

The fourth proportional to 193,367.16, 266,847.60 and 108,484.80 is: 149,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,367.16 : 266,847.60 = 108,484.80 : x
  2. Step 2: Convert to fraction form
    193,367.16/266,847.60 = 108,484.80/x
  3. Step 3: Cross multiply
    193,367.16x = 266,847.60 × 108,484.80
  4. Step 4: Simplify right side
    193,367.16x = 28,948,908,516.48
  5. Step 5: Solve for x
    x = 28,948,908,516.48/193,367.16
  6. Step 6: Final answer
    x = 149,709.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.