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Finding the Fourth Proportional to 133,798.30, 200,697.45 and 131,724.70

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Solution

The fourth proportional to 133,798.30, 200,697.45 and 131,724.70 is: 197,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,798.30 : 200,697.45 = 131,724.70 : x
  2. Step 2: Convert to fraction form
    133,798.30/200,697.45 = 131,724.70/x
  3. Step 3: Cross multiply
    133,798.30x = 200,697.45 × 131,724.70
  4. Step 4: Simplify right side
    133,798.30x = 26,436,811,392.02
  5. Step 5: Solve for x
    x = 26,436,811,392.02/133,798.30
  6. Step 6: Final answer
    x = 197,587.05

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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.