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Finding the Fourth Proportional to 339,263.12, 508,119.59 and 161,894.70

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Solution

The fourth proportional to 339,263.12, 508,119.59 and 161,894.70 is: 242,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,263.12 : 508,119.59 = 161,894.70 : x
  2. Step 2: Convert to fraction form
    339,263.12/508,119.59 = 161,894.70/x
  3. Step 3: Cross multiply
    339,263.12x = 508,119.59 × 161,894.70
  4. Step 4: Simplify right side
    339,263.12x = 82,261,867,777.70
  5. Step 5: Solve for x
    x = 82,261,867,777.70/339,263.12
  6. Step 6: Final answer
    x = 242,472.18

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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.