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Finding the Fourth Proportional to 98,232.56, 135,560.94 and 53,520.56

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Solution

The fourth proportional to 98,232.56, 135,560.94 and 53,520.56 is: 73,858.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,232.56 : 135,560.94 = 53,520.56 : x
  2. Step 2: Convert to fraction form
    98,232.56/135,560.94 = 53,520.56/x
  3. Step 3: Cross multiply
    98,232.56x = 135,560.94 × 53,520.56
  4. Step 4: Simplify right side
    98,232.56x = 7,255,297,422.93
  5. Step 5: Solve for x
    x = 7,255,297,422.93/98,232.56
  6. Step 6: Final answer
    x = 73,858.38

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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.