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Finding the Fourth Proportional to 31,303,243.60, 46,954,865.40 and 31,303,243.60

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Solution

The fourth proportional to 31,303,243.60, 46,954,865.40 and 31,303,243.60 is: 46,954,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,303,243.60 : 46,954,865.40 = 31,303,243.60 : x
  2. Step 2: Convert to fraction form
    31,303,243.60/46,954,865.40 = 31,303,243.60/x
  3. Step 3: Cross multiply
    31,303,243.60x = 46,954,865.40 × 31,303,243.60
  4. Step 4: Simplify right side
    31,303,243.60x = 1,469,839,589,821,411.50
  5. Step 5: Solve for x
    x = 1,469,839,589,821,411.50/31,303,243.60
  6. Step 6: Final answer
    x = 46,954,865.40

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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.