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Finding the Fourth Proportional to 202,568.54, 303,852.95 and 52,808.45

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Solution

The fourth proportional to 202,568.54, 303,852.95 and 52,808.45 is: 79,212.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,568.54 : 303,852.95 = 52,808.45 : x
  2. Step 2: Convert to fraction form
    202,568.54/303,852.95 = 52,808.45/x
  3. Step 3: Cross multiply
    202,568.54x = 303,852.95 × 52,808.45
  4. Step 4: Simplify right side
    202,568.54x = 16,046,003,053.39
  5. Step 5: Solve for x
    x = 16,046,003,053.39/202,568.54
  6. Step 6: Final answer
    x = 79,212.71

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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.