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Finding the Fourth Proportional to 55,693,915.80, 83,540,873.70 and 50,907,010.20

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Solution

The fourth proportional to 55,693,915.80, 83,540,873.70 and 50,907,010.20 is: 76,360,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,693,915.80 : 83,540,873.70 = 50,907,010.20 : x
  2. Step 2: Convert to fraction form
    55,693,915.80/83,540,873.70 = 50,907,010.20/x
  3. Step 3: Cross multiply
    55,693,915.80x = 83,540,873.70 × 50,907,010.20
  4. Step 4: Simplify right side
    55,693,915.80x = 4,252,816,109,562,812
  5. Step 5: Solve for x
    x = 4,252,816,109,562,812/55,693,915.80
  6. Step 6: Final answer
    x = 76,360,515.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.