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Finding the Fourth Proportional to 111,258.74, 166,898.37 and 36,379.27

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Solution

The fourth proportional to 111,258.74, 166,898.37 and 36,379.27 is: 54,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,258.74 : 166,898.37 = 36,379.27 : x
  2. Step 2: Convert to fraction form
    111,258.74/166,898.37 = 36,379.27/x
  3. Step 3: Cross multiply
    111,258.74x = 166,898.37 × 36,379.27
  4. Step 4: Simplify right side
    111,258.74x = 6,071,639,848.40
  5. Step 5: Solve for x
    x = 6,071,639,848.40/111,258.74
  6. Step 6: Final answer
    x = 54,572.25

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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.