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Finding the Fourth Proportional to 192,078.33, 265,094.81 and 107,200.86

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Solution

The fourth proportional to 192,078.33, 265,094.81 and 107,200.86 is: 147,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,078.33 : 265,094.81 = 107,200.86 : x
  2. Step 2: Convert to fraction form
    192,078.33/265,094.81 = 107,200.86/x
  3. Step 3: Cross multiply
    192,078.33x = 265,094.81 × 107,200.86
  4. Step 4: Simplify right side
    192,078.33x = 28,418,391,613.54
  5. Step 5: Solve for x
    x = 28,418,391,613.54/192,078.33
  6. Step 6: Final answer
    x = 147,952.10

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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.