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Finding the Fourth Proportional to 117,517,808.70, 164,694,993.30 and 117,517,808.70

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Solution

The fourth proportional to 117,517,808.70, 164,694,993.30 and 117,517,808.70 is: 164,694,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,517,808.70 : 164,694,993.30 = 117,517,808.70 : x
  2. Step 2: Convert to fraction form
    117,517,808.70/164,694,993.30 = 117,517,808.70/x
  3. Step 3: Cross multiply
    117,517,808.70x = 164,694,993.30 × 117,517,808.70
  4. Step 4: Simplify right side
    117,517,808.70x = 19,354,594,716,477,184
  5. Step 5: Solve for x
    x = 19,354,594,716,477,184/117,517,808.70
  6. Step 6: Final answer
    x = 164,694,993.30

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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.