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Finding the Fourth Proportional to 111,880.02, 167,780.06 and 36,986.34

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Solution

The fourth proportional to 111,880.02, 167,780.06 and 36,986.34 is: 55,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,880.02 : 167,780.06 = 36,986.34 : x
  2. Step 2: Convert to fraction form
    111,880.02/167,780.06 = 36,986.34/x
  3. Step 3: Cross multiply
    111,880.02x = 167,780.06 × 36,986.34
  4. Step 4: Simplify right side
    111,880.02x = 6,205,570,344.38
  5. Step 5: Solve for x
    x = 6,205,570,344.38/111,880.02
  6. Step 6: Final answer
    x = 55,466.30

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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.