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Finding the Fourth Proportional to 194,570.58, 268,487.72 and 143,611.14

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Solution

The fourth proportional to 194,570.58, 268,487.72 and 143,611.14 is: 198,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,570.58 : 268,487.72 = 143,611.14 : x
  2. Step 2: Convert to fraction form
    194,570.58/268,487.72 = 143,611.14/x
  3. Step 3: Cross multiply
    194,570.58x = 268,487.72 × 143,611.14
  4. Step 4: Simplify right side
    194,570.58x = 38,557,827,545.20
  5. Step 5: Solve for x
    x = 38,557,827,545.20/194,570.58
  6. Step 6: Final answer
    x = 198,168.85

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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.