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Finding the Fourth Proportional to 192,387.62, 265,494.11 and 107,504.69

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Solution

The fourth proportional to 192,387.62, 265,494.11 and 107,504.69 is: 148,356.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,387.62 : 265,494.11 = 107,504.69 : x
  2. Step 2: Convert to fraction form
    192,387.62/265,494.11 = 107,504.69/x
  3. Step 3: Cross multiply
    192,387.62x = 265,494.11 × 107,504.69
  4. Step 4: Simplify right side
    192,387.62x = 28,541,860,127.38
  5. Step 5: Solve for x
    x = 28,541,860,127.38/192,387.62
  6. Step 6: Final answer
    x = 148,356.01

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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.