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Finding the Fourth Proportional to 50,252,451.30, 70,449,091.20 and 50,252,451.30

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Solution

The fourth proportional to 50,252,451.30, 70,449,091.20 and 50,252,451.30 is: 70,449,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,252,451.30 : 70,449,091.20 = 50,252,451.30 : x
  2. Step 2: Convert to fraction form
    50,252,451.30/70,449,091.20 = 50,252,451.30/x
  3. Step 3: Cross multiply
    50,252,451.30x = 70,449,091.20 × 50,252,451.30
  4. Step 4: Simplify right side
    50,252,451.30x = 3,540,239,524,657,258.50
  5. Step 5: Solve for x
    x = 3,540,239,524,657,258.50/50,252,451.30
  6. Step 6: Final answer
    x = 70,449,091.20

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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.