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Finding the Fourth Proportional to 202,113,607.80, 303,170,411.70 and 196,444,903.80

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Solution

The fourth proportional to 202,113,607.80, 303,170,411.70 and 196,444,903.80 is: 294,667,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,113,607.80 : 303,170,411.70 = 196,444,903.80 : x
  2. Step 2: Convert to fraction form
    202,113,607.80/303,170,411.70 = 196,444,903.80/x
  3. Step 3: Cross multiply
    202,113,607.80x = 303,170,411.70 × 196,444,903.80
  4. Step 4: Simplify right side
    202,113,607.80x = 59,556,282,361,412,896
  5. Step 5: Solve for x
    x = 59,556,282,361,412,896/202,113,607.80
  6. Step 6: Final answer
    x = 294,667,355.70

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Why These Related Problems?

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