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Finding the Fourth Proportional to 192,061.94, 265,013.78 and 107,178.80

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Solution

The fourth proportional to 192,061.94, 265,013.78 and 107,178.80 is: 147,889.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,061.94 : 265,013.78 = 107,178.80 : x
  2. Step 2: Convert to fraction form
    192,061.94/265,013.78 = 107,178.80/x
  3. Step 3: Cross multiply
    192,061.94x = 265,013.78 × 107,178.80
  4. Step 4: Simplify right side
    192,061.94x = 28,403,858,923.86
  5. Step 5: Solve for x
    x = 28,403,858,923.86/192,061.94
  6. Step 6: Final answer
    x = 147,889.06

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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.