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Finding the Fourth Proportional to 192,123.34, 265,121.67 and 107,238.46

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Solution

The fourth proportional to 192,123.34, 265,121.67 and 107,238.46 is: 147,984.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,123.34 : 265,121.67 = 107,238.46 : x
  2. Step 2: Convert to fraction form
    192,123.34/265,121.67 = 107,238.46/x
  3. Step 3: Cross multiply
    192,123.34x = 265,121.67 × 107,238.46
  4. Step 4: Simplify right side
    192,123.34x = 28,431,239,603.43
  5. Step 5: Solve for x
    x = 28,431,239,603.43/192,123.34
  6. Step 6: Final answer
    x = 147,984.31

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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.