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Finding the Fourth Proportional to 192,886.29, 266,173.83 and 106,839.45

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Solution

The fourth proportional to 192,886.29, 266,173.83 and 106,839.45 is: 147,433.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,886.29 : 266,173.83 = 106,839.45 : x
  2. Step 2: Convert to fraction form
    192,886.29/266,173.83 = 106,839.45/x
  3. Step 3: Cross multiply
    192,886.29x = 266,173.83 × 106,839.45
  4. Step 4: Simplify right side
    192,886.29x = 28,437,865,601.59
  5. Step 5: Solve for x
    x = 28,437,865,601.59/192,886.29
  6. Step 6: Final answer
    x = 147,433.32

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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.