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Finding the Fourth Proportional to 111,688.89, 167,558.04 and 36,806.01

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Solution

The fourth proportional to 111,688.89, 167,558.04 and 36,806.01 is: 55,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,688.89 : 167,558.04 = 36,806.01 : x
  2. Step 2: Convert to fraction form
    111,688.89/167,558.04 = 36,806.01/x
  3. Step 3: Cross multiply
    111,688.89x = 167,558.04 × 36,806.01
  4. Step 4: Simplify right side
    111,688.89x = 6,167,142,895.82
  5. Step 5: Solve for x
    x = 6,167,142,895.82/111,688.89
  6. Step 6: Final answer
    x = 55,217.16

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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.