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Finding the Fourth Proportional to 192,928.56, 266,063.40 and 132,392.40

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Solution

The fourth proportional to 192,928.56, 266,063.40 and 132,392.40 is: 182,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,928.56 : 266,063.40 = 132,392.40 : x
  2. Step 2: Convert to fraction form
    192,928.56/266,063.40 = 132,392.40/x
  3. Step 3: Cross multiply
    192,928.56x = 266,063.40 × 132,392.40
  4. Step 4: Simplify right side
    192,928.56x = 35,224,772,078.16
  5. Step 5: Solve for x
    x = 35,224,772,078.16/192,928.56
  6. Step 6: Final answer
    x = 182,579.36

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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.