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Finding the Fourth Proportional to 98,745.81, 148,134.07 and 32,170.44

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Solution

The fourth proportional to 98,745.81, 148,134.07 and 32,170.44 is: 48,260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,745.81 : 148,134.07 = 32,170.44 : x
  2. Step 2: Convert to fraction form
    98,745.81/148,134.07 = 32,170.44/x
  3. Step 3: Cross multiply
    98,745.81x = 148,134.07 × 32,170.44
  4. Step 4: Simplify right side
    98,745.81x = 4,765,538,806.61
  5. Step 5: Solve for x
    x = 4,765,538,806.61/98,745.81
  6. Step 6: Final answer
    x = 48,260.67

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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.