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Finding the Fourth Proportional to 231,892.40, 347,903.40 and 113,567.60

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Solution

The fourth proportional to 231,892.40, 347,903.40 and 113,567.60 is: 170,383.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,892.40 : 347,903.40 = 113,567.60 : x
  2. Step 2: Convert to fraction form
    231,892.40/347,903.40 = 113,567.60/x
  3. Step 3: Cross multiply
    231,892.40x = 347,903.40 × 113,567.60
  4. Step 4: Simplify right side
    231,892.40x = 39,510,554,169.84
  5. Step 5: Solve for x
    x = 39,510,554,169.84/231,892.40
  6. Step 6: Final answer
    x = 170,383.14

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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.