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Finding the Fourth Proportional to 229,750.16, 344,625.38 and 71,990.91

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Solution

The fourth proportional to 229,750.16, 344,625.38 and 71,990.91 is: 107,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,750.16 : 344,625.38 = 71,990.91 : x
  2. Step 2: Convert to fraction form
    229,750.16/344,625.38 = 71,990.91/x
  3. Step 3: Cross multiply
    229,750.16x = 344,625.38 × 71,990.91
  4. Step 4: Simplify right side
    229,750.16x = 24,809,894,895.27
  5. Step 5: Solve for x
    x = 24,809,894,895.27/229,750.16
  6. Step 6: Final answer
    x = 107,986.41

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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.