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Finding the Fourth Proportional to 111,504.80, 167,062.32 and 92,904.32

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Solution

The fourth proportional to 111,504.80, 167,062.32 and 92,904.32 is: 139,194.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,504.80 : 167,062.32 = 92,904.32 : x
  2. Step 2: Convert to fraction form
    111,504.80/167,062.32 = 92,904.32/x
  3. Step 3: Cross multiply
    111,504.80x = 167,062.32 × 92,904.32
  4. Step 4: Simplify right side
    111,504.80x = 15,520,811,237.22
  5. Step 5: Solve for x
    x = 15,520,811,237.22/111,504.80
  6. Step 6: Final answer
    x = 139,194.11

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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.