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Finding the Fourth Proportional to 301,167.05, 415,610.51 and 173,842.64

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Solution

The fourth proportional to 301,167.05, 415,610.51 and 173,842.64 is: 239,902.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,167.05 : 415,610.51 = 173,842.64 : x
  2. Step 2: Convert to fraction form
    301,167.05/415,610.51 = 173,842.64/x
  3. Step 3: Cross multiply
    301,167.05x = 415,610.51 × 173,842.64
  4. Step 4: Simplify right side
    301,167.05x = 72,250,826,881.42
  5. Step 5: Solve for x
    x = 72,250,826,881.42/301,167.05
  6. Step 6: Final answer
    x = 239,902.83

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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.