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Finding the Fourth Proportional to 231,403.59, 347,113.02 and 79,599.14

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Solution

The fourth proportional to 231,403.59, 347,113.02 and 79,599.14 is: 119,401.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,403.59 : 347,113.02 = 79,599.14 : x
  2. Step 2: Convert to fraction form
    231,403.59/347,113.02 = 79,599.14/x
  3. Step 3: Cross multiply
    231,403.59x = 347,113.02 × 79,599.14
  4. Step 4: Simplify right side
    231,403.59x = 27,629,897,476.81
  5. Step 5: Solve for x
    x = 27,629,897,476.81/231,403.59
  6. Step 6: Final answer
    x = 119,401.34

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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.