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Finding the Fourth Proportional to 164,512.80, 246,805.20 and 64,672.80

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Solution

The fourth proportional to 164,512.80, 246,805.20 and 64,672.80 is: 97,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,512.80 : 246,805.20 = 64,672.80 : x
  2. Step 2: Convert to fraction form
    164,512.80/246,805.20 = 64,672.80/x
  3. Step 3: Cross multiply
    164,512.80x = 246,805.20 × 64,672.80
  4. Step 4: Simplify right side
    164,512.80x = 15,961,583,338.56
  5. Step 5: Solve for x
    x = 15,961,583,338.56/164,512.80
  6. Step 6: Final answer
    x = 97,023.35

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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.