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Finding the Fourth Proportional to 303,742.73, 419,168.99 and 167,776.34

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Solution

The fourth proportional to 303,742.73, 419,168.99 and 167,776.34 is: 231,533.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,742.73 : 419,168.99 = 167,776.34 : x
  2. Step 2: Convert to fraction form
    303,742.73/419,168.99 = 167,776.34/x
  3. Step 3: Cross multiply
    303,742.73x = 419,168.99 × 167,776.34
  4. Step 4: Simplify right side
    303,742.73x = 70,326,637,307.29
  5. Step 5: Solve for x
    x = 70,326,637,307.29/303,742.73
  6. Step 6: Final answer
    x = 231,533.56

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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.