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Finding the Fourth Proportional to 50,143,074.40, 70,115,273.60 and 50,143,074.40

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Solution

The fourth proportional to 50,143,074.40, 70,115,273.60 and 50,143,074.40 is: 70,115,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,143,074.40 : 70,115,273.60 = 50,143,074.40 : x
  2. Step 2: Convert to fraction form
    50,143,074.40/70,115,273.60 = 50,143,074.40/x
  3. Step 3: Cross multiply
    50,143,074.40x = 70,115,273.60 × 50,143,074.40
  4. Step 4: Simplify right side
    50,143,074.40x = 3,515,795,380,701,155.50
  5. Step 5: Solve for x
    x = 3,515,795,380,701,155.50/50,143,074.40
  6. Step 6: Final answer
    x = 70,115,273.60

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1.5x scale

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.