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Finding the Fourth Proportional to 98,454,906.15, 147,682,359.23 and 98,454,906.15

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Solution

The fourth proportional to 98,454,906.15, 147,682,359.23 and 98,454,906.15 is: 147,682,359.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,454,906.15 : 147,682,359.23 = 98,454,906.15 : x
  2. Step 2: Convert to fraction form
    98,454,906.15/147,682,359.23 = 98,454,906.15/x
  3. Step 3: Cross multiply
    98,454,906.15x = 147,682,359.23 × 98,454,906.15
  4. Step 4: Simplify right side
    98,454,906.15x = 14,540,052,817,507,962
  5. Step 5: Solve for x
    x = 14,540,052,817,507,962/98,454,906.15
  6. Step 6: Final answer
    x = 147,682,359.23

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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.