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Finding the Fourth Proportional to 224,725.40, 337,136.70 and 74,940.20

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Solution

The fourth proportional to 224,725.40, 337,136.70 and 74,940.20 is: 112,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,725.40 : 337,136.70 = 74,940.20 : x
  2. Step 2: Convert to fraction form
    224,725.40/337,136.70 = 74,940.20/x
  3. Step 3: Cross multiply
    224,725.40x = 337,136.70 × 74,940.20
  4. Step 4: Simplify right side
    224,725.40x = 25,265,091,725.34
  5. Step 5: Solve for x
    x = 25,265,091,725.34/224,725.40
  6. Step 6: Final answer
    x = 112,426.51

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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.