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Finding the Fourth Proportional to 243,600.89, 365,318.06 and 123,611.56

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Solution

The fourth proportional to 243,600.89, 365,318.06 and 123,611.56 is: 185,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,600.89 : 365,318.06 = 123,611.56 : x
  2. Step 2: Convert to fraction form
    243,600.89/365,318.06 = 123,611.56/x
  3. Step 3: Cross multiply
    243,600.89x = 365,318.06 × 123,611.56
  4. Step 4: Simplify right side
    243,600.89x = 45,157,533,761.42
  5. Step 5: Solve for x
    x = 45,157,533,761.42/243,600.89
  6. Step 6: Final answer
    x = 185,375.08

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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.