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Finding the Fourth Proportional to 193,870.70, 290,806.14 and 60,761.32

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Solution

The fourth proportional to 193,870.70, 290,806.14 and 60,761.32 is: 91,142.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,870.70 : 290,806.14 = 60,761.32 : x
  2. Step 2: Convert to fraction form
    193,870.70/290,806.14 = 60,761.32/x
  3. Step 3: Cross multiply
    193,870.70x = 290,806.14 × 60,761.32
  4. Step 4: Simplify right side
    193,870.70x = 17,669,764,930.50
  5. Step 5: Solve for x
    x = 17,669,764,930.50/193,870.70
  6. Step 6: Final answer
    x = 91,142.01

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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.