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Finding the Fourth Proportional to 163,553.60, 245,524.80 and 92,532.80

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Solution

The fourth proportional to 163,553.60, 245,524.80 and 92,532.80 is: 138,909.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,553.60 : 245,524.80 = 92,532.80 : x
  2. Step 2: Convert to fraction form
    163,553.60/245,524.80 = 92,532.80/x
  3. Step 3: Cross multiply
    163,553.60x = 245,524.80 × 92,532.80
  4. Step 4: Simplify right side
    163,553.60x = 22,719,097,213.44
  5. Step 5: Solve for x
    x = 22,719,097,213.44/163,553.60
  6. Step 6: Final answer
    x = 138,909.18

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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.