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Finding the Fourth Proportional to 215,794.87, 297,674.80 and 135,082.22

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Solution

The fourth proportional to 215,794.87, 297,674.80 and 135,082.22 is: 186,337.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,794.87 : 297,674.80 = 135,082.22 : x
  2. Step 2: Convert to fraction form
    215,794.87/297,674.80 = 135,082.22/x
  3. Step 3: Cross multiply
    215,794.87x = 297,674.80 × 135,082.22
  4. Step 4: Simplify right side
    215,794.87x = 40,210,570,995.98
  5. Step 5: Solve for x
    x = 40,210,570,995.98/215,794.87
  6. Step 6: Final answer
    x = 186,337.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.