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Finding the Fourth Proportional to 202,284.60, 303,499.80 and 84,040.80

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Solution

The fourth proportional to 202,284.60, 303,499.80 and 84,040.80 is: 126,091.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,284.60 : 303,499.80 = 84,040.80 : x
  2. Step 2: Convert to fraction form
    202,284.60/303,499.80 = 84,040.80/x
  3. Step 3: Cross multiply
    202,284.60x = 303,499.80 × 84,040.80
  4. Step 4: Simplify right side
    202,284.60x = 25,506,365,991.84
  5. Step 5: Solve for x
    x = 25,506,365,991.84/202,284.60
  6. Step 6: Final answer
    x = 126,091.49

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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.