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Finding the Fourth Proportional to 98,270.00, 135,611.80 and 61,994.88

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Solution

The fourth proportional to 98,270.00, 135,611.80 and 61,994.88 is: 85,552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,270.00 : 135,611.80 = 61,994.88 : x
  2. Step 2: Convert to fraction form
    98,270.00/135,611.80 = 61,994.88/x
  3. Step 3: Cross multiply
    98,270.00x = 135,611.80 × 61,994.88
  4. Step 4: Simplify right side
    98,270.00x = 8,407,237,706.68
  5. Step 5: Solve for x
    x = 8,407,237,706.68/98,270.00
  6. Step 6: Final answer
    x = 85,552.43

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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.