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Finding the Fourth Proportional to 338,992.02, 508,101.39 and 158,889.06

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Solution

The fourth proportional to 338,992.02, 508,101.39 and 158,889.06 is: 238,152.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,992.02 : 508,101.39 = 158,889.06 : x
  2. Step 2: Convert to fraction form
    338,992.02/508,101.39 = 158,889.06/x
  3. Step 3: Cross multiply
    338,992.02x = 508,101.39 × 158,889.06
  4. Step 4: Simplify right side
    338,992.02x = 80,731,752,241.79
  5. Step 5: Solve for x
    x = 80,731,752,241.79/338,992.02
  6. Step 6: Final answer
    x = 238,152.37

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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.