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Finding the Fourth Proportional to 202,954.80, 304,451.40 and 55,210.80

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Solution

The fourth proportional to 202,954.80, 304,451.40 and 55,210.80 is: 82,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,954.80 : 304,451.40 = 55,210.80 : x
  2. Step 2: Convert to fraction form
    202,954.80/304,451.40 = 55,210.80/x
  3. Step 3: Cross multiply
    202,954.80x = 304,451.40 × 55,210.80
  4. Step 4: Simplify right side
    202,954.80x = 16,809,005,355.12
  5. Step 5: Solve for x
    x = 16,809,005,355.12/202,954.80
  6. Step 6: Final answer
    x = 82,821.42

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1.5x scale

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.