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Finding the Fourth Proportional to 133,598.88, 200,393.46 and 40,102.20

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Solution

The fourth proportional to 133,598.88, 200,393.46 and 40,102.20 is: 60,151.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,598.88 : 200,393.46 = 40,102.20 : x
  2. Step 2: Convert to fraction form
    133,598.88/200,393.46 = 40,102.20/x
  3. Step 3: Cross multiply
    133,598.88x = 200,393.46 × 40,102.20
  4. Step 4: Simplify right side
    133,598.88x = 8,036,218,611.61
  5. Step 5: Solve for x
    x = 8,036,218,611.61/133,598.88
  6. Step 6: Final answer
    x = 60,151.84

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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.