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Finding the Fourth Proportional to 237,366.40, 355,588.80 and 131,996.80

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Solution

The fourth proportional to 237,366.40, 355,588.80 and 131,996.80 is: 197,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,366.40 : 355,588.80 = 131,996.80 : x
  2. Step 2: Convert to fraction form
    237,366.40/355,588.80 = 131,996.80/x
  3. Step 3: Cross multiply
    237,366.40x = 355,588.80 × 131,996.80
  4. Step 4: Simplify right side
    237,366.40x = 46,936,583,715.84
  5. Step 5: Solve for x
    x = 46,936,583,715.84/237,366.40
  6. Step 6: Final answer
    x = 197,738.95

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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.