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Finding the Fourth Proportional to 303,030.56, 418,185.12 and 167,069.52

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Solution

The fourth proportional to 303,030.56, 418,185.12 and 167,069.52 is: 230,557.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,030.56 : 418,185.12 = 167,069.52 : x
  2. Step 2: Convert to fraction form
    303,030.56/418,185.12 = 167,069.52/x
  3. Step 3: Cross multiply
    303,030.56x = 418,185.12 × 167,069.52
  4. Step 4: Simplify right side
    303,030.56x = 69,865,987,269.54
  5. Step 5: Solve for x
    x = 69,865,987,269.54/303,030.56
  6. Step 6: Final answer
    x = 230,557.56

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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.