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Finding the Fourth Proportional to 333,062.09, 499,599.31 and 108,421.75

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Solution

The fourth proportional to 333,062.09, 499,599.31 and 108,421.75 is: 162,634.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,062.09 : 499,599.31 = 108,421.75 : x
  2. Step 2: Convert to fraction form
    333,062.09/499,599.31 = 108,421.75/x
  3. Step 3: Cross multiply
    333,062.09x = 499,599.31 × 108,421.75
  4. Step 4: Simplify right side
    333,062.09x = 54,167,431,488.99
  5. Step 5: Solve for x
    x = 54,167,431,488.99/333,062.09
  6. Step 6: Final answer
    x = 162,634.64

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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.