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Finding the Fourth Proportional to 111,803.26, 167,704.89 and 28,697.26

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Solution

The fourth proportional to 111,803.26, 167,704.89 and 28,697.26 is: 43,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,803.26 : 167,704.89 = 28,697.26 : x
  2. Step 2: Convert to fraction form
    111,803.26/167,704.89 = 28,697.26/x
  3. Step 3: Cross multiply
    111,803.26x = 167,704.89 × 28,697.26
  4. Step 4: Simplify right side
    111,803.26x = 4,812,670,831.60
  5. Step 5: Solve for x
    x = 4,812,670,831.60/111,803.26
  6. Step 6: Final answer
    x = 43,045.89

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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.