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Finding the Fourth Proportional to 224,729.70, 336,657.15 and 135,718.80

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Solution

The fourth proportional to 224,729.70, 336,657.15 and 135,718.80 is: 203,314.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,729.70 : 336,657.15 = 135,718.80 : x
  2. Step 2: Convert to fraction form
    224,729.70/336,657.15 = 135,718.80/x
  3. Step 3: Cross multiply
    224,729.70x = 336,657.15 × 135,718.80
  4. Step 4: Simplify right side
    224,729.70x = 45,690,704,409.42
  5. Step 5: Solve for x
    x = 45,690,704,409.42/224,729.70
  6. Step 6: Final answer
    x = 203,314.05

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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.