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Finding the Fourth Proportional to 66,090.52, 91,204.68 and 37,796.14

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Solution

The fourth proportional to 66,090.52, 91,204.68 and 37,796.14 is: 52,158.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,090.52 : 91,204.68 = 37,796.14 : x
  2. Step 2: Convert to fraction form
    66,090.52/91,204.68 = 37,796.14/x
  3. Step 3: Cross multiply
    66,090.52x = 91,204.68 × 37,796.14
  4. Step 4: Simplify right side
    66,090.52x = 3,447,184,853.94
  5. Step 5: Solve for x
    x = 3,447,184,853.94/66,090.52
  6. Step 6: Final answer
    x = 52,158.54

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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.