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Finding the Fourth Proportional to 104,791.66, 157,185.93 and 25,905.86

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Solution

The fourth proportional to 104,791.66, 157,185.93 and 25,905.86 is: 38,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,791.66 : 157,185.93 = 25,905.86 : x
  2. Step 2: Convert to fraction form
    104,791.66/157,185.93 = 25,905.86/x
  3. Step 3: Cross multiply
    104,791.66x = 157,185.93 × 25,905.86
  4. Step 4: Simplify right side
    104,791.66x = 4,072,036,597.21
  5. Step 5: Solve for x
    x = 4,072,036,597.21/104,791.66
  6. Step 6: Final answer
    x = 38,858.40

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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.