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Finding the Fourth Proportional to 92,202.48, 127,241.64 and 51,917.60

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Solution

The fourth proportional to 92,202.48, 127,241.64 and 51,917.60 is: 71,647.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,202.48 : 127,241.64 = 51,917.60 : x
  2. Step 2: Convert to fraction form
    92,202.48/127,241.64 = 51,917.60/x
  3. Step 3: Cross multiply
    92,202.48x = 127,241.64 × 51,917.60
  4. Step 4: Simplify right side
    92,202.48x = 6,606,080,568.86
  5. Step 5: Solve for x
    x = 6,606,080,568.86/92,202.48
  6. Step 6: Final answer
    x = 71,647.54

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1.5x scale

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.