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Finding the Fourth Proportional to 303,497.07, 418,849.14 and 167,557.20

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Solution

The fourth proportional to 303,497.07, 418,849.14 and 167,557.20 is: 231,241.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,497.07 : 418,849.14 = 167,557.20 : x
  2. Step 2: Convert to fraction form
    303,497.07/418,849.14 = 167,557.20/x
  3. Step 3: Cross multiply
    303,497.07x = 418,849.14 × 167,557.20
  4. Step 4: Simplify right side
    303,497.07x = 70,181,189,120.81
  5. Step 5: Solve for x
    x = 70,181,189,120.81/303,497.07
  6. Step 6: Final answer
    x = 231,241.74

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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.