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Finding the Fourth Proportional to 202,517.49, 303,803.57 and 74,416.69

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Solution

The fourth proportional to 202,517.49, 303,803.57 and 74,416.69 is: 111,635.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,517.49 : 303,803.57 = 74,416.69 : x
  2. Step 2: Convert to fraction form
    202,517.49/303,803.57 = 74,416.69/x
  3. Step 3: Cross multiply
    202,517.49x = 303,803.57 × 74,416.69
  4. Step 4: Simplify right side
    202,517.49x = 22,608,056,089.58
  5. Step 5: Solve for x
    x = 22,608,056,089.58/202,517.49
  6. Step 6: Final answer
    x = 111,635.08

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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.