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Finding the Fourth Proportional to 164,895,503.40, 247,325,540.40 and 43,726,955.40

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Solution

The fourth proportional to 164,895,503.40, 247,325,540.40 and 43,726,955.40 is: 65,585,735.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,895,503.40 : 247,325,540.40 = 43,726,955.40 : x
  2. Step 2: Convert to fraction form
    164,895,503.40/247,325,540.40 = 43,726,955.40/x
  3. Step 3: Cross multiply
    164,895,503.40x = 247,325,540.40 × 43,726,955.40
  4. Step 4: Simplify right side
    164,895,503.40x = 10,814,792,874,351,698
  5. Step 5: Solve for x
    x = 10,814,792,874,351,698/164,895,503.40
  6. Step 6: Final answer
    x = 65,585,735.52

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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.