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Finding the Fourth Proportional to 192,931.50, 266,245.53 and 108,048.57

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Solution

The fourth proportional to 192,931.50, 266,245.53 and 108,048.57 is: 149,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,931.50 : 266,245.53 = 108,048.57 : x
  2. Step 2: Convert to fraction form
    192,931.50/266,245.53 = 108,048.57/x
  3. Step 3: Cross multiply
    192,931.50x = 266,245.53 × 108,048.57
  4. Step 4: Simplify right side
    192,931.50x = 28,767,448,785.39
  5. Step 5: Solve for x
    x = 28,767,448,785.39/192,931.50
  6. Step 6: Final answer
    x = 149,107.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.