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Finding the Fourth Proportional to 107,392.14, 160,935.90 and 79,090.26

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Solution

The fourth proportional to 107,392.14, 160,935.90 and 79,090.26 is: 118,523.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,392.14 : 160,935.90 = 79,090.26 : x
  2. Step 2: Convert to fraction form
    107,392.14/160,935.90 = 79,090.26/x
  3. Step 3: Cross multiply
    107,392.14x = 160,935.90 × 79,090.26
  4. Step 4: Simplify right side
    107,392.14x = 12,728,462,174.33
  5. Step 5: Solve for x
    x = 12,728,462,174.33/107,392.14
  6. Step 6: Final answer
    x = 118,523.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.