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Finding the Fourth Proportional to 111,574.80, 167,378.40 and 36,698.40

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Solution

The fourth proportional to 111,574.80, 167,378.40 and 36,698.40 is: 55,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,574.80 : 167,378.40 = 36,698.40 : x
  2. Step 2: Convert to fraction form
    111,574.80/167,378.40 = 36,698.40/x
  3. Step 3: Cross multiply
    111,574.80x = 167,378.40 × 36,698.40
  4. Step 4: Simplify right side
    111,574.80x = 6,142,519,474.56
  5. Step 5: Solve for x
    x = 6,142,519,474.56/111,574.80
  6. Step 6: Final answer
    x = 55,052.93

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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.