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Finding the Fourth Proportional to 202,269.60, 303,477.30 and 84,025.80

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Solution

The fourth proportional to 202,269.60, 303,477.30 and 84,025.80 is: 126,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,269.60 : 303,477.30 = 84,025.80 : x
  2. Step 2: Convert to fraction form
    202,269.60/303,477.30 = 84,025.80/x
  3. Step 3: Cross multiply
    202,269.60x = 303,477.30 × 84,025.80
  4. Step 4: Simplify right side
    202,269.60x = 25,499,922,914.34
  5. Step 5: Solve for x
    x = 25,499,922,914.34/202,269.60
  6. Step 6: Final answer
    x = 126,068.98

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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.