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Finding the Fourth Proportional to 193,463.44, 266,979.54 and 108,580.50

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Solution

The fourth proportional to 193,463.44, 266,979.54 and 108,580.50 is: 149,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,463.44 : 266,979.54 = 108,580.50 : x
  2. Step 2: Convert to fraction form
    193,463.44/266,979.54 = 108,580.50/x
  3. Step 3: Cross multiply
    193,463.44x = 266,979.54 × 108,580.50
  4. Step 4: Simplify right side
    193,463.44x = 28,988,772,350.15
  5. Step 5: Solve for x
    x = 28,988,772,350.15/193,463.44
  6. Step 6: Final answer
    x = 149,841.09

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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.