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Finding the Fourth Proportional to 235,084.32, 352,625.70 and 85,324.41

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Solution

The fourth proportional to 235,084.32, 352,625.70 and 85,324.41 is: 127,986.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,084.32 : 352,625.70 = 85,324.41 : x
  2. Step 2: Convert to fraction form
    235,084.32/352,625.70 = 85,324.41/x
  3. Step 3: Cross multiply
    235,084.32x = 352,625.70 × 85,324.41
  4. Step 4: Simplify right side
    235,084.32x = 30,087,579,803.34
  5. Step 5: Solve for x
    x = 30,087,579,803.34/235,084.32
  6. Step 6: Final answer
    x = 127,986.33

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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.