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Finding the Fourth Proportional to 49,928,200.40, 69,993,852.40 and 49,928,200.40

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Solution

The fourth proportional to 49,928,200.40, 69,993,852.40 and 49,928,200.40 is: 69,993,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,928,200.40 : 69,993,852.40 = 49,928,200.40 : x
  2. Step 2: Convert to fraction form
    49,928,200.40/69,993,852.40 = 49,928,200.40/x
  3. Step 3: Cross multiply
    49,928,200.40x = 69,993,852.40 × 49,928,200.40
  4. Step 4: Simplify right side
    49,928,200.40x = 3,494,667,089,395,221
  5. Step 5: Solve for x
    x = 3,494,667,089,395,221/49,928,200.40
  6. Step 6: Final answer
    x = 69,993,852.40

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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.