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Finding the Fourth Proportional to 223,286.20, 334,923.90 and 134,472.40

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Solution

The fourth proportional to 223,286.20, 334,923.90 and 134,472.40 is: 201,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,286.20 : 334,923.90 = 134,472.40 : x
  2. Step 2: Convert to fraction form
    223,286.20/334,923.90 = 134,472.40/x
  3. Step 3: Cross multiply
    223,286.20x = 334,923.90 × 134,472.40
  4. Step 4: Simplify right side
    223,286.20x = 45,038,020,650.36
  5. Step 5: Solve for x
    x = 45,038,020,650.36/223,286.20
  6. Step 6: Final answer
    x = 201,705.35

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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.