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Finding the Fourth Proportional to 238,240.98, 328,770.36 and 130,815.54

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Solution

The fourth proportional to 238,240.98, 328,770.36 and 130,815.54 is: 180,524.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,240.98 : 328,770.36 = 130,815.54 : x
  2. Step 2: Convert to fraction form
    238,240.98/328,770.36 = 130,815.54/x
  3. Step 3: Cross multiply
    238,240.98x = 328,770.36 × 130,815.54
  4. Step 4: Simplify right side
    238,240.98x = 43,008,272,179.39
  5. Step 5: Solve for x
    x = 43,008,272,179.39/238,240.98
  6. Step 6: Final answer
    x = 180,524.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.