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Finding the Fourth Proportional to 178,259.49, 246,004.87 and 101,791.03

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Solution

The fourth proportional to 178,259.49, 246,004.87 and 101,791.03 is: 140,475.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,259.49 : 246,004.87 = 101,791.03 : x
  2. Step 2: Convert to fraction form
    178,259.49/246,004.87 = 101,791.03/x
  3. Step 3: Cross multiply
    178,259.49x = 246,004.87 × 101,791.03
  4. Step 4: Simplify right side
    178,259.49x = 25,041,089,102.32
  5. Step 5: Solve for x
    x = 25,041,089,102.32/178,259.49
  6. Step 6: Final answer
    x = 140,475.49

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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.