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Finding the Fourth Proportional to 224,970.40, 337,674.30 and 136,396.90

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Solution

The fourth proportional to 224,970.40, 337,674.30 and 136,396.90 is: 204,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,970.40 : 337,674.30 = 136,396.90 : x
  2. Step 2: Convert to fraction form
    224,970.40/337,674.30 = 136,396.90/x
  3. Step 3: Cross multiply
    224,970.40x = 337,674.30 × 136,396.90
  4. Step 4: Simplify right side
    224,970.40x = 46,057,727,729.67
  5. Step 5: Solve for x
    x = 46,057,727,729.67/224,970.40
  6. Step 6: Final answer
    x = 204,727.95

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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.