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Finding the Fourth Proportional to 111,242.92, 166,889.70 and 36,362.08

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Solution

The fourth proportional to 111,242.92, 166,889.70 and 36,362.08 is: 54,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,242.92 : 166,889.70 = 36,362.08 : x
  2. Step 2: Convert to fraction form
    111,242.92/166,889.70 = 36,362.08/x
  3. Step 3: Cross multiply
    111,242.92x = 166,889.70 × 36,362.08
  4. Step 4: Simplify right side
    111,242.92x = 6,068,456,622.58
  5. Step 5: Solve for x
    x = 6,068,456,622.58/111,242.92
  6. Step 6: Final answer
    x = 54,551.40

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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.