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Finding the Fourth Proportional to 136,737,676.26, 188,667,826.02 and 80,955,398.16

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Solution

The fourth proportional to 136,737,676.26, 188,667,826.02 and 80,955,398.16 is: 111,700,588.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,737,676.26 : 188,667,826.02 = 80,955,398.16 : x
  2. Step 2: Convert to fraction form
    136,737,676.26/188,667,826.02 = 80,955,398.16/x
  3. Step 3: Cross multiply
    136,737,676.26x = 188,667,826.02 × 80,955,398.16
  4. Step 4: Simplify right side
    136,737,676.26x = 15,273,678,975,430,708
  5. Step 5: Solve for x
    x = 15,273,678,975,430,708/136,737,676.26
  6. Step 6: Final answer
    x = 111,700,588.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.