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Finding the Fourth Proportional to 111,878,793.68, 167,818,190.51 and 111,878,793.68

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Solution

The fourth proportional to 111,878,793.68, 167,818,190.51 and 111,878,793.68 is: 167,818,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,878,793.68 : 167,818,190.51 = 111,878,793.68 : x
  2. Step 2: Convert to fraction form
    111,878,793.68/167,818,190.51 = 111,878,793.68/x
  3. Step 3: Cross multiply
    111,878,793.68x = 167,818,190.51 × 111,878,793.68
  4. Step 4: Simplify right side
    111,878,793.68x = 18,775,296,711,259,828
  5. Step 5: Solve for x
    x = 18,775,296,711,259,828/111,878,793.68
  6. Step 6: Final answer
    x = 167,818,190.51

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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.