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Finding the Fourth Proportional to 339,012.50, 508,504.17 and 102,348.14

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Solution

The fourth proportional to 339,012.50, 508,504.17 and 102,348.14 is: 153,517.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,012.50 : 508,504.17 = 102,348.14 : x
  2. Step 2: Convert to fraction form
    339,012.50/508,504.17 = 102,348.14/x
  3. Step 3: Cross multiply
    339,012.50x = 508,504.17 × 102,348.14
  4. Step 4: Simplify right side
    339,012.50x = 52,044,455,981.74
  5. Step 5: Solve for x
    x = 52,044,455,981.74/339,012.50
  6. Step 6: Final answer
    x = 153,517.81

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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.