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Finding the Fourth Proportional to 111,452.98, 167,140.60 and 49,089.46

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Solution

The fourth proportional to 111,452.98, 167,140.60 and 49,089.46 is: 73,617.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,452.98 : 167,140.60 = 49,089.46 : x
  2. Step 2: Convert to fraction form
    111,452.98/167,140.60 = 49,089.46/x
  3. Step 3: Cross multiply
    111,452.98x = 167,140.60 × 49,089.46
  4. Step 4: Simplify right side
    111,452.98x = 8,204,841,798.08
  5. Step 5: Solve for x
    x = 8,204,841,798.08/111,452.98
  6. Step 6: Final answer
    x = 73,617.07

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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.