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Finding the Fourth Proportional to 111,506.80, 167,260.20 and 92,807.95

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Solution

The fourth proportional to 111,506.80, 167,260.20 and 92,807.95 is: 139,211.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,506.80 : 167,260.20 = 92,807.95 : x
  2. Step 2: Convert to fraction form
    111,506.80/167,260.20 = 92,807.95/x
  3. Step 3: Cross multiply
    111,506.80x = 167,260.20 × 92,807.95
  4. Step 4: Simplify right side
    111,506.80x = 15,523,076,278.59
  5. Step 5: Solve for x
    x = 15,523,076,278.59/111,506.80
  6. Step 6: Final answer
    x = 139,211.93

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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.