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Finding the Fourth Proportional to 49,374,937.80, 68,954,851.80 and 49,374,937.80

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Solution

The fourth proportional to 49,374,937.80, 68,954,851.80 and 49,374,937.80 is: 68,954,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,374,937.80 : 68,954,851.80 = 49,374,937.80 : x
  2. Step 2: Convert to fraction form
    49,374,937.80/68,954,851.80 = 49,374,937.80/x
  3. Step 3: Cross multiply
    49,374,937.80x = 68,954,851.80 × 49,374,937.80
  4. Step 4: Simplify right side
    49,374,937.80x = 3,404,641,518,633,217.50
  5. Step 5: Solve for x
    x = 3,404,641,518,633,217.50/49,374,937.80
  6. Step 6: Final answer
    x = 68,954,851.80

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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.