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Finding the Fourth Proportional to 220,049.98, 303,673.80 and 134,013

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Solution

The fourth proportional to 220,049.98, 303,673.80 and 134,013 is: 184,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,049.98 : 303,673.80 = 134,013 : x
  2. Step 2: Convert to fraction form
    220,049.98/303,673.80 = 134,013/x
  3. Step 3: Cross multiply
    220,049.98x = 303,673.80 × 134,013
  4. Step 4: Simplify right side
    220,049.98x = 40,696,236,959.40
  5. Step 5: Solve for x
    x = 40,696,236,959.40/220,049.98
  6. Step 6: Final answer
    x = 184,940.88

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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.