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Finding the Fourth Proportional to 111,477.70, 167,233.94 and 36,580.80

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Solution

The fourth proportional to 111,477.70, 167,233.94 and 36,580.80 is: 54,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,477.70 : 167,233.94 = 36,580.80 : x
  2. Step 2: Convert to fraction form
    111,477.70/167,233.94 = 36,580.80/x
  3. Step 3: Cross multiply
    111,477.70x = 167,233.94 × 36,580.80
  4. Step 4: Simplify right side
    111,477.70x = 6,117,551,312.35
  5. Step 5: Solve for x
    x = 6,117,551,312.35/111,477.70
  6. Step 6: Final answer
    x = 54,876.91

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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.