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Finding the Fourth Proportional to 339,291.85, 508,162.42 and 161,923.43

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Solution

The fourth proportional to 339,291.85, 508,162.42 and 161,923.43 is: 242,515.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,291.85 : 508,162.42 = 161,923.43 : x
  2. Step 2: Convert to fraction form
    339,291.85/508,162.42 = 161,923.43/x
  3. Step 3: Cross multiply
    339,291.85x = 508,162.42 × 161,923.43
  4. Step 4: Simplify right side
    339,291.85x = 82,283,402,043.50
  5. Step 5: Solve for x
    x = 82,283,402,043.50/339,291.85
  6. Step 6: Final answer
    x = 242,515.12

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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.