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Finding the Fourth Proportional to 303,160.80, 418,368.63 and 167,198.82

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Solution

The fourth proportional to 303,160.80, 418,368.63 and 167,198.82 is: 230,738.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,160.80 : 418,368.63 = 167,198.82 : x
  2. Step 2: Convert to fraction form
    303,160.80/418,368.63 = 167,198.82/x
  3. Step 3: Cross multiply
    303,160.80x = 418,368.63 × 167,198.82
  4. Step 4: Simplify right side
    303,160.80x = 69,950,741,261.02
  5. Step 5: Solve for x
    x = 69,950,741,261.02/303,160.80
  6. Step 6: Final answer
    x = 230,738.08

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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.