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Finding the Fourth Proportional to 223,313.80, 335,067.90 and 112,505.80

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Solution

The fourth proportional to 223,313.80, 335,067.90 and 112,505.80 is: 168,807.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,313.80 : 335,067.90 = 112,505.80 : x
  2. Step 2: Convert to fraction form
    223,313.80/335,067.90 = 112,505.80/x
  3. Step 3: Cross multiply
    223,313.80x = 335,067.90 × 112,505.80
  4. Step 4: Simplify right side
    223,313.80x = 37,697,082,143.82
  5. Step 5: Solve for x
    x = 37,697,082,143.82/223,313.80
  6. Step 6: Final answer
    x = 168,807.67

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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.