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Finding the Fourth Proportional to 111,975.20, 167,914.20 and 37,066.40

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Solution

The fourth proportional to 111,975.20, 167,914.20 and 37,066.40 is: 55,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,975.20 : 167,914.20 = 37,066.40 : x
  2. Step 2: Convert to fraction form
    111,975.20/167,914.20 = 37,066.40/x
  3. Step 3: Cross multiply
    111,975.20x = 167,914.20 × 37,066.40
  4. Step 4: Simplify right side
    111,975.20x = 6,223,974,902.88
  5. Step 5: Solve for x
    x = 6,223,974,902.88/111,975.20
  6. Step 6: Final answer
    x = 55,583.51

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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.