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Finding the Fourth Proportional to 303,016.72, 418,166.30 and 167,055.54

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Solution

The fourth proportional to 303,016.72, 418,166.30 and 167,055.54 is: 230,538.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,016.72 : 418,166.30 = 167,055.54 : x
  2. Step 2: Convert to fraction form
    303,016.72/418,166.30 = 167,055.54/x
  3. Step 3: Cross multiply
    303,016.72x = 418,166.30 × 167,055.54
  4. Step 4: Simplify right side
    303,016.72x = 69,856,997,056.30
  5. Step 5: Solve for x
    x = 69,856,997,056.30/303,016.72
  6. Step 6: Final answer
    x = 230,538.42

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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.