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Finding the Fourth Proportional to 111,806.70, 167,661.45 and 32,904.60

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Solution

The fourth proportional to 111,806.70, 167,661.45 and 32,904.60 is: 49,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,806.70 : 167,661.45 = 32,904.60 : x
  2. Step 2: Convert to fraction form
    111,806.70/167,661.45 = 32,904.60/x
  3. Step 3: Cross multiply
    111,806.70x = 167,661.45 × 32,904.60
  4. Step 4: Simplify right side
    111,806.70x = 5,516,832,947.67
  5. Step 5: Solve for x
    x = 5,516,832,947.67/111,806.70
  6. Step 6: Final answer
    x = 49,342.60

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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.