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Finding the Fourth Proportional to 146,794.60, 220,191.90 and 109,615.60

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Solution

The fourth proportional to 146,794.60, 220,191.90 and 109,615.60 is: 164,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,794.60 : 220,191.90 = 109,615.60 : x
  2. Step 2: Convert to fraction form
    146,794.60/220,191.90 = 109,615.60/x
  3. Step 3: Cross multiply
    146,794.60x = 220,191.90 × 109,615.60
  4. Step 4: Simplify right side
    146,794.60x = 24,136,467,233.64
  5. Step 5: Solve for x
    x = 24,136,467,233.64/146,794.60
  6. Step 6: Final answer
    x = 164,423.40

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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.