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Finding the Fourth Proportional to 111,696.36, 167,544.45 and 32,865.90

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Solution

The fourth proportional to 111,696.36, 167,544.45 and 32,865.90 is: 49,298.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,696.36 : 167,544.45 = 32,865.90 : x
  2. Step 2: Convert to fraction form
    111,696.36/167,544.45 = 32,865.90/x
  3. Step 3: Cross multiply
    111,696.36x = 167,544.45 × 32,865.90
  4. Step 4: Simplify right side
    111,696.36x = 5,506,499,139.26
  5. Step 5: Solve for x
    x = 5,506,499,139.26/111,696.36
  6. Step 6: Final answer
    x = 49,298.82

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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.