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Finding the Fourth Proportional to 316,699.88, 437,046.02 and 173,459.88

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Solution

The fourth proportional to 316,699.88, 437,046.02 and 173,459.88 is: 239,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,699.88 : 437,046.02 = 173,459.88 : x
  2. Step 2: Convert to fraction form
    316,699.88/437,046.02 = 173,459.88/x
  3. Step 3: Cross multiply
    316,699.88x = 437,046.02 × 173,459.88
  4. Step 4: Simplify right side
    316,699.88x = 75,809,950,183.68
  5. Step 5: Solve for x
    x = 75,809,950,183.68/316,699.88
  6. Step 6: Final answer
    x = 239,374.74

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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.