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Finding the Fourth Proportional to 111,558.80, 167,225.88 and 49,218.32

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Solution

The fourth proportional to 111,558.80, 167,225.88 and 49,218.32 is: 73,777.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,558.80 : 167,225.88 = 49,218.32 : x
  2. Step 2: Convert to fraction form
    111,558.80/167,225.88 = 49,218.32/x
  3. Step 3: Cross multiply
    111,558.80x = 167,225.88 × 49,218.32
  4. Step 4: Simplify right side
    111,558.80x = 8,230,576,874.12
  5. Step 5: Solve for x
    x = 8,230,576,874.12/111,558.80
  6. Step 6: Final answer
    x = 73,777.93

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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.