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Finding the Fourth Proportional to 98,546.88, 135,994.69 and 53,224.86

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Solution

The fourth proportional to 98,546.88, 135,994.69 and 53,224.86 is: 73,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,546.88 : 135,994.69 = 53,224.86 : x
  2. Step 2: Convert to fraction form
    98,546.88/135,994.69 = 53,224.86/x
  3. Step 3: Cross multiply
    98,546.88x = 135,994.69 × 53,224.86
  4. Step 4: Simplify right side
    98,546.88x = 7,238,298,335.99
  5. Step 5: Solve for x
    x = 7,238,298,335.99/98,546.88
  6. Step 6: Final answer
    x = 73,450.30

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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.