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Finding the Fourth Proportional to 193,657.76, 267,230.70 and 107,611.30

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Solution

The fourth proportional to 193,657.76, 267,230.70 and 107,611.30 is: 148,494.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,657.76 : 267,230.70 = 107,611.30 : x
  2. Step 2: Convert to fraction form
    193,657.76/267,230.70 = 107,611.30/x
  3. Step 3: Cross multiply
    193,657.76x = 267,230.70 × 107,611.30
  4. Step 4: Simplify right side
    193,657.76x = 28,757,041,690.76
  5. Step 5: Solve for x
    x = 28,757,041,690.76/193,657.76
  6. Step 6: Final answer
    x = 148,494.14

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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.