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Finding the Fourth Proportional to 111,508.27, 167,025.47 and 75,506.60

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Solution

The fourth proportional to 111,508.27, 167,025.47 and 75,506.60 is: 113,099.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,508.27 : 167,025.47 = 75,506.60 : x
  2. Step 2: Convert to fraction form
    111,508.27/167,025.47 = 75,506.60/x
  3. Step 3: Cross multiply
    111,508.27x = 167,025.47 × 75,506.60
  4. Step 4: Simplify right side
    111,508.27x = 12,611,525,393.13
  5. Step 5: Solve for x
    x = 12,611,525,393.13/111,508.27
  6. Step 6: Final answer
    x = 113,099.46

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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.