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Finding the Fourth Proportional to 352,087.50, 527,998.67 and 127,392.39

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Solution

The fourth proportional to 352,087.50, 527,998.67 and 127,392.39 is: 191,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,087.50 : 527,998.67 = 127,392.39 : x
  2. Step 2: Convert to fraction form
    352,087.50/527,998.67 = 127,392.39/x
  3. Step 3: Cross multiply
    352,087.50x = 527,998.67 × 127,392.39
  4. Step 4: Simplify right side
    352,087.50x = 67,263,012,328.88
  5. Step 5: Solve for x
    x = 67,263,012,328.88/352,087.50
  6. Step 6: Final answer
    x = 191,040.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.