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Finding the Fourth Proportional to 350,820.01, 526,099.40 and 126,119.12

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Solution

The fourth proportional to 350,820.01, 526,099.40 and 126,119.12 is: 189,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,820.01 : 526,099.40 = 126,119.12 : x
  2. Step 2: Convert to fraction form
    350,820.01/526,099.40 = 126,119.12/x
  3. Step 3: Cross multiply
    350,820.01x = 526,099.40 × 126,119.12
  4. Step 4: Simplify right side
    350,820.01x = 66,351,192,729.93
  5. Step 5: Solve for x
    x = 66,351,192,729.93/350,820.01
  6. Step 6: Final answer
    x = 189,131.73

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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.