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Finding the Fourth Proportional to 111,258.48, 166,897.98 and 36,379.01

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Solution

The fourth proportional to 111,258.48, 166,897.98 and 36,379.01 is: 54,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,258.48 : 166,897.98 = 36,379.01 : x
  2. Step 2: Convert to fraction form
    111,258.48/166,897.98 = 36,379.01/x
  3. Step 3: Cross multiply
    111,258.48x = 166,897.98 × 36,379.01
  4. Step 4: Simplify right side
    111,258.48x = 6,071,583,283.40
  5. Step 5: Solve for x
    x = 6,071,583,283.40/111,258.48
  6. Step 6: Final answer
    x = 54,571.87

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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.