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Finding the Fourth Proportional to 193,243.00, 266,676.02 and 107,203.69

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Solution

The fourth proportional to 193,243.00, 266,676.02 and 107,203.69 is: 147,941.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,243.00 : 266,676.02 = 107,203.69 : x
  2. Step 2: Convert to fraction form
    193,243.00/266,676.02 = 107,203.69/x
  3. Step 3: Cross multiply
    193,243.00x = 266,676.02 × 107,203.69
  4. Step 4: Simplify right side
    193,243.00x = 28,588,653,504.35
  5. Step 5: Solve for x
    x = 28,588,653,504.35/193,243.00
  6. Step 6: Final answer
    x = 147,941.47

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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.