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Finding the Fourth Proportional to 192,816.76, 266,018.70 and 125,632.12

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Solution

The fourth proportional to 192,816.76, 266,018.70 and 125,632.12 is: 173,327.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,816.76 : 266,018.70 = 125,632.12 : x
  2. Step 2: Convert to fraction form
    192,816.76/266,018.70 = 125,632.12/x
  3. Step 3: Cross multiply
    192,816.76x = 266,018.70 × 125,632.12
  4. Step 4: Simplify right side
    192,816.76x = 33,420,493,240.64
  5. Step 5: Solve for x
    x = 33,420,493,240.64/192,816.76
  6. Step 6: Final answer
    x = 173,327.74

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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.