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Finding the Fourth Proportional to 223,535.40, 335,108.70 and 134,694.60

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Solution

The fourth proportional to 223,535.40, 335,108.70 and 134,694.60 is: 201,924.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,535.40 : 335,108.70 = 134,694.60 : x
  2. Step 2: Convert to fraction form
    223,535.40/335,108.70 = 134,694.60/x
  3. Step 3: Cross multiply
    223,535.40x = 335,108.70 × 134,694.60
  4. Step 4: Simplify right side
    223,535.40x = 45,137,332,303.02
  5. Step 5: Solve for x
    x = 45,137,332,303.02/223,535.40
  6. Step 6: Final answer
    x = 201,924.76

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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.