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Finding the Fourth Proportional to 193,382.60, 290,146.80 and 93,631.10

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Solution

The fourth proportional to 193,382.60, 290,146.80 and 93,631.10 is: 140,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,382.60 : 290,146.80 = 93,631.10 : x
  2. Step 2: Convert to fraction form
    193,382.60/290,146.80 = 93,631.10/x
  3. Step 3: Cross multiply
    193,382.60x = 290,146.80 × 93,631.10
  4. Step 4: Simplify right side
    193,382.60x = 27,166,764,045.48
  5. Step 5: Solve for x
    x = 27,166,764,045.48/193,382.60
  6. Step 6: Final answer
    x = 140,481.95

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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.