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Finding the Fourth Proportional to 147,674.07, 203,790.22 and 80,606.07

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Solution

The fourth proportional to 147,674.07, 203,790.22 and 80,606.07 is: 111,236.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,674.07 : 203,790.22 = 80,606.07 : x
  2. Step 2: Convert to fraction form
    147,674.07/203,790.22 = 80,606.07/x
  3. Step 3: Cross multiply
    147,674.07x = 203,790.22 × 80,606.07
  4. Step 4: Simplify right side
    147,674.07x = 16,426,727,719.68
  5. Step 5: Solve for x
    x = 16,426,727,719.68/147,674.07
  6. Step 6: Final answer
    x = 111,236.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.