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Finding the Fourth Proportional to 202,036.40, 303,025.80 and 68,922.80

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Solution

The fourth proportional to 202,036.40, 303,025.80 and 68,922.80 is: 103,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,036.40 : 303,025.80 = 68,922.80 : x
  2. Step 2: Convert to fraction form
    202,036.40/303,025.80 = 68,922.80/x
  3. Step 3: Cross multiply
    202,036.40x = 303,025.80 × 68,922.80
  4. Step 4: Simplify right side
    202,036.40x = 20,885,386,608.24
  5. Step 5: Solve for x
    x = 20,885,386,608.24/202,036.40
  6. Step 6: Final answer
    x = 103,374.38

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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.