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Finding the Fourth Proportional to 81,334.53, 112,241.63 and 45,524.54

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Solution

The fourth proportional to 81,334.53, 112,241.63 and 45,524.54 is: 62,823.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,334.53 : 112,241.63 = 45,524.54 : x
  2. Step 2: Convert to fraction form
    81,334.53/112,241.63 = 45,524.54/x
  3. Step 3: Cross multiply
    81,334.53x = 112,241.63 × 45,524.54
  4. Step 4: Simplify right side
    81,334.53x = 5,109,748,969.02
  5. Step 5: Solve for x
    x = 5,109,748,969.02/81,334.53
  6. Step 6: Final answer
    x = 62,823.86

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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.