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Finding the Fourth Proportional to 301,459.59, 451,845.40 and 121,429.73

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Solution

The fourth proportional to 301,459.59, 451,845.40 and 121,429.73 is: 182,006.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,459.59 : 451,845.40 = 121,429.73 : x
  2. Step 2: Convert to fraction form
    301,459.59/451,845.40 = 121,429.73/x
  3. Step 3: Cross multiply
    301,459.59x = 451,845.40 × 121,429.73
  4. Step 4: Simplify right side
    301,459.59x = 54,867,462,057.37
  5. Step 5: Solve for x
    x = 54,867,462,057.37/301,459.59
  6. Step 6: Final answer
    x = 182,006.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.