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Finding the Fourth Proportional to 89,813,443.70, 134,720,165.55 and 89,813,443.70

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Solution

The fourth proportional to 89,813,443.70, 134,720,165.55 and 89,813,443.70 is: 134,720,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,813,443.70 : 134,720,165.55 = 89,813,443.70 : x
  2. Step 2: Convert to fraction form
    89,813,443.70/134,720,165.55 = 89,813,443.70/x
  3. Step 3: Cross multiply
    89,813,443.70x = 134,720,165.55 × 89,813,443.70
  4. Step 4: Simplify right side
    89,813,443.70x = 12,099,682,003,879,606
  5. Step 5: Solve for x
    x = 12,099,682,003,879,606/89,813,443.70
  6. Step 6: Final answer
    x = 134,720,165.55

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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.