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Finding the Fourth Proportional to 202,817.80, 304,226.70 and 124,085.80

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Solution

The fourth proportional to 202,817.80, 304,226.70 and 124,085.80 is: 186,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,817.80 : 304,226.70 = 124,085.80 : x
  2. Step 2: Convert to fraction form
    202,817.80/304,226.70 = 124,085.80/x
  3. Step 3: Cross multiply
    202,817.80x = 304,226.70 × 124,085.80
  4. Step 4: Simplify right side
    202,817.80x = 37,750,213,450.86
  5. Step 5: Solve for x
    x = 37,750,213,450.86/202,817.80
  6. Step 6: Final answer
    x = 186,128.70

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