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Finding the Fourth Proportional to 162,824.40, 244,236.60 and 131,720.40

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Solution

The fourth proportional to 162,824.40, 244,236.60 and 131,720.40 is: 197,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,824.40 : 244,236.60 = 131,720.40 : x
  2. Step 2: Convert to fraction form
    162,824.40/244,236.60 = 131,720.40/x
  3. Step 3: Cross multiply
    162,824.40x = 244,236.60 × 131,720.40
  4. Step 4: Simplify right side
    162,824.40x = 32,170,942,646.64
  5. Step 5: Solve for x
    x = 32,170,942,646.64/162,824.40
  6. Step 6: Final answer
    x = 197,580.60

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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.