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Finding the Fourth Proportional to 111,007.35, 166,512.60 and 36,127.89

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Solution

The fourth proportional to 111,007.35, 166,512.60 and 36,127.89 is: 54,192.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,007.35 : 166,512.60 = 36,127.89 : x
  2. Step 2: Convert to fraction form
    111,007.35/166,512.60 = 36,127.89/x
  3. Step 3: Cross multiply
    111,007.35x = 166,512.60 × 36,127.89
  4. Step 4: Simplify right side
    111,007.35x = 6,015,748,896.41
  5. Step 5: Solve for x
    x = 6,015,748,896.41/111,007.35
  6. Step 6: Final answer
    x = 54,192.35

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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.