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Finding the Fourth Proportional to 111,431.60, 167,131.20 and 32,537.60

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Solution

The fourth proportional to 111,431.60, 167,131.20 and 32,537.60 is: 48,801.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,431.60 : 167,131.20 = 32,537.60 : x
  2. Step 2: Convert to fraction form
    111,431.60/167,131.20 = 32,537.60/x
  3. Step 3: Cross multiply
    111,431.60x = 167,131.20 × 32,537.60
  4. Step 4: Simplify right side
    111,431.60x = 5,438,048,133.12
  5. Step 5: Solve for x
    x = 5,438,048,133.12/111,431.60
  6. Step 6: Final answer
    x = 48,801.67

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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.