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Finding the Fourth Proportional to 110,808,112.05, 166,212,168.08 and 110,808,112.05

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Solution

The fourth proportional to 110,808,112.05, 166,212,168.08 and 110,808,112.05 is: 166,212,168.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,808,112.05 : 166,212,168.08 = 110,808,112.05 : x
  2. Step 2: Convert to fraction form
    110,808,112.05/166,212,168.08 = 110,808,112.05/x
  3. Step 3: Cross multiply
    110,808,112.05x = 166,212,168.08 × 110,808,112.05
  4. Step 4: Simplify right side
    110,808,112.05x = 18,417,656,544,128,032
  5. Step 5: Solve for x
    x = 18,417,656,544,128,032/110,808,112.05
  6. Step 6: Final answer
    x = 166,212,168.08

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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.