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Finding the Fourth Proportional to 111,024.83, 166,473.54 and 43,477.80

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Solution

The fourth proportional to 111,024.83, 166,473.54 and 43,477.80 is: 65,191.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,024.83 : 166,473.54 = 43,477.80 : x
  2. Step 2: Convert to fraction form
    111,024.83/166,473.54 = 43,477.80/x
  3. Step 3: Cross multiply
    111,024.83x = 166,473.54 × 43,477.80
  4. Step 4: Simplify right side
    111,024.83x = 7,237,903,277.41
  5. Step 5: Solve for x
    x = 7,237,903,277.41/111,024.83
  6. Step 6: Final answer
    x = 65,191.76

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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.