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Finding the Fourth Proportional to 111,496.80, 167,374.80 and 67,173.60

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Solution

The fourth proportional to 111,496.80, 167,374.80 and 67,173.60 is: 100,838.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,496.80 : 167,374.80 = 67,173.60 : x
  2. Step 2: Convert to fraction form
    111,496.80/167,374.80 = 67,173.60/x
  3. Step 3: Cross multiply
    111,496.80x = 167,374.80 × 67,173.60
  4. Step 4: Simplify right side
    111,496.80x = 11,243,167,865.28
  5. Step 5: Solve for x
    x = 11,243,167,865.28/111,496.80
  6. Step 6: Final answer
    x = 100,838.48

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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.