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Finding the Fourth Proportional to 193,240.54, 266,671.98 and 108,357.64

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Solution

The fourth proportional to 193,240.54, 266,671.98 and 108,357.64 is: 149,533.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,240.54 : 266,671.98 = 108,357.64 : x
  2. Step 2: Convert to fraction form
    193,240.54/266,671.98 = 108,357.64/x
  3. Step 3: Cross multiply
    193,240.54x = 266,671.98 × 108,357.64
  4. Step 4: Simplify right side
    193,240.54x = 28,895,946,406.93
  5. Step 5: Solve for x
    x = 28,895,946,406.93/193,240.54
  6. Step 6: Final answer
    x = 149,533.56

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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.