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Finding the Fourth Proportional to 229,160.46, 343,759.07 and 87,073.80

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Solution

The fourth proportional to 229,160.46, 343,759.07 and 87,073.80 is: 130,617.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,160.46 : 343,759.07 = 87,073.80 : x
  2. Step 2: Convert to fraction form
    229,160.46/343,759.07 = 87,073.80/x
  3. Step 3: Cross multiply
    229,160.46x = 343,759.07 × 87,073.80
  4. Step 4: Simplify right side
    229,160.46x = 29,932,408,509.37
  5. Step 5: Solve for x
    x = 29,932,408,509.37/229,160.46
  6. Step 6: Final answer
    x = 130,617.68

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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.