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Finding the Fourth Proportional to 119,589,664.80, 167,538,904.80 and 119,589,664.80

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Solution

The fourth proportional to 119,589,664.80, 167,538,904.80 and 119,589,664.80 is: 167,538,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,589,664.80 : 167,538,904.80 = 119,589,664.80 : x
  2. Step 2: Convert to fraction form
    119,589,664.80/167,538,904.80 = 119,589,664.80/x
  3. Step 3: Cross multiply
    119,589,664.80x = 167,538,904.80 × 119,589,664.80
  4. Step 4: Simplify right side
    119,589,664.80x = 20,035,921,465,991,112
  5. Step 5: Solve for x
    x = 20,035,921,465,991,112/119,589,664.80
  6. Step 6: Final answer
    x = 167,538,904.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.