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Finding the Fourth Proportional to 82,000.85, 113,163.36 and 46,188.73

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Solution

The fourth proportional to 82,000.85, 113,163.36 and 46,188.73 is: 63,741.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,000.85 : 113,163.36 = 46,188.73 : x
  2. Step 2: Convert to fraction form
    82,000.85/113,163.36 = 46,188.73/x
  3. Step 3: Cross multiply
    82,000.85x = 113,163.36 × 46,188.73
  4. Step 4: Simplify right side
    82,000.85x = 5,226,871,315.12
  5. Step 5: Solve for x
    x = 5,226,871,315.12/82,000.85
  6. Step 6: Final answer
    x = 63,741.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.