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Finding the Fourth Proportional to 303,032.64, 418,187.96 and 167,071.87

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Solution

The fourth proportional to 303,032.64, 418,187.96 and 167,071.87 is: 230,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,032.64 : 418,187.96 = 167,071.87 : x
  2. Step 2: Convert to fraction form
    303,032.64/418,187.96 = 167,071.87/x
  3. Step 3: Cross multiply
    303,032.64x = 418,187.96 × 167,071.87
  4. Step 4: Simplify right side
    303,032.64x = 69,867,443,390.05
  5. Step 5: Solve for x
    x = 69,867,443,390.05/303,032.64
  6. Step 6: Final answer
    x = 230,560.78

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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.