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Finding the Fourth Proportional to 162,620.56, 243,930.88 and 107,203.60

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Solution

The fourth proportional to 162,620.56, 243,930.88 and 107,203.60 is: 160,805.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,620.56 : 243,930.88 = 107,203.60 : x
  2. Step 2: Convert to fraction form
    162,620.56/243,930.88 = 107,203.60/x
  3. Step 3: Cross multiply
    162,620.56x = 243,930.88 × 107,203.60
  4. Step 4: Simplify right side
    162,620.56x = 26,150,268,487.17
  5. Step 5: Solve for x
    x = 26,150,268,487.17/162,620.56
  6. Step 6: Final answer
    x = 160,805.43

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1.5x scale

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.