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Finding the Fourth Proportional to 101,524.41, 140,018.69 and 76,090.48

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Solution

The fourth proportional to 101,524.41, 140,018.69 and 76,090.48 is: 104,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,524.41 : 140,018.69 = 76,090.48 : x
  2. Step 2: Convert to fraction form
    101,524.41/140,018.69 = 76,090.48/x
  3. Step 3: Cross multiply
    101,524.41x = 140,018.69 × 76,090.48
  4. Step 4: Simplify right side
    101,524.41x = 10,654,089,171.25
  5. Step 5: Solve for x
    x = 10,654,089,171.25/101,524.41
  6. Step 6: Final answer
    x = 104,941.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.