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Finding the Fourth Proportional to 133,094.60, 199,641.90 and 131,712.20

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Solution

The fourth proportional to 133,094.60, 199,641.90 and 131,712.20 is: 197,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,094.60 : 199,641.90 = 131,712.20 : x
  2. Step 2: Convert to fraction form
    133,094.60/199,641.90 = 131,712.20/x
  3. Step 3: Cross multiply
    133,094.60x = 199,641.90 × 131,712.20
  4. Step 4: Simplify right side
    133,094.60x = 26,295,273,861.18
  5. Step 5: Solve for x
    x = 26,295,273,861.18/133,094.60
  6. Step 6: Final answer
    x = 197,568.30

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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.