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Finding the Fourth Proportional to 224,725.70, 336,651.15 and 135,714.80

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Solution

The fourth proportional to 224,725.70, 336,651.15 and 135,714.80 is: 203,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,725.70 : 336,651.15 = 135,714.80 : x
  2. Step 2: Convert to fraction form
    224,725.70/336,651.15 = 135,714.80/x
  3. Step 3: Cross multiply
    224,725.70x = 336,651.15 × 135,714.80
  4. Step 4: Simplify right side
    224,725.70x = 45,688,543,492.02
  5. Step 5: Solve for x
    x = 45,688,543,492.02/224,725.70
  6. Step 6: Final answer
    x = 203,308.05

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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.