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Finding the Fourth Proportional to 130,104.96, 195,168.96 and 36,611.52

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Solution

The fourth proportional to 130,104.96, 195,168.96 and 36,611.52 is: 54,920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,104.96 : 195,168.96 = 36,611.52 : x
  2. Step 2: Convert to fraction form
    130,104.96/195,168.96 = 36,611.52/x
  3. Step 3: Cross multiply
    130,104.96x = 195,168.96 × 36,611.52
  4. Step 4: Simplify right side
    130,104.96x = 7,145,432,282.42
  5. Step 5: Solve for x
    x = 7,145,432,282.42/130,104.96
  6. Step 6: Final answer
    x = 54,920.52

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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.