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Finding the Fourth Proportional to 303,069.15, 418,238.71 and 167,103.36

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Solution

The fourth proportional to 303,069.15, 418,238.71 and 167,103.36 is: 230,604.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,069.15 : 418,238.71 = 167,103.36 : x
  2. Step 2: Convert to fraction form
    303,069.15/418,238.71 = 167,103.36/x
  3. Step 3: Cross multiply
    303,069.15x = 418,238.71 × 167,103.36
  4. Step 4: Simplify right side
    303,069.15x = 69,889,093,305.31
  5. Step 5: Solve for x
    x = 69,889,093,305.31/303,069.15
  6. Step 6: Final answer
    x = 230,604.45

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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.