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Finding the Fourth Proportional to 111,769.20, 167,653.80 and 62,002.80

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Solution

The fourth proportional to 111,769.20, 167,653.80 and 62,002.80 is: 93,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,769.20 : 167,653.80 = 62,002.80 : x
  2. Step 2: Convert to fraction form
    111,769.20/167,653.80 = 62,002.80/x
  3. Step 3: Cross multiply
    111,769.20x = 167,653.80 × 62,002.80
  4. Step 4: Simplify right side
    111,769.20x = 10,395,005,030.64
  5. Step 5: Solve for x
    x = 10,395,005,030.64/111,769.20
  6. Step 6: Final answer
    x = 93,004.20

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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.