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Finding the Fourth Proportional to 164,615.20, 246,922.80 and 113,876.80

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Solution

The fourth proportional to 164,615.20, 246,922.80 and 113,876.80 is: 170,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,615.20 : 246,922.80 = 113,876.80 : x
  2. Step 2: Convert to fraction form
    164,615.20/246,922.80 = 113,876.80/x
  3. Step 3: Cross multiply
    164,615.20x = 246,922.80 × 113,876.80
  4. Step 4: Simplify right side
    164,615.20x = 28,118,778,311.04
  5. Step 5: Solve for x
    x = 28,118,778,311.04/164,615.20
  6. Step 6: Final answer
    x = 170,815.20

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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.