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Finding the Fourth Proportional to 73,850.55, 110,611.80 and 60,728.55

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Solution

The fourth proportional to 73,850.55, 110,611.80 and 60,728.55 is: 90,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,850.55 : 110,611.80 = 60,728.55 : x
  2. Step 2: Convert to fraction form
    73,850.55/110,611.80 = 60,728.55/x
  3. Step 3: Cross multiply
    73,850.55x = 110,611.80 × 60,728.55
  4. Step 4: Simplify right side
    73,850.55x = 6,717,294,226.89
  5. Step 5: Solve for x
    x = 6,717,294,226.89/73,850.55
  6. Step 6: Final answer
    x = 90,957.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.