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Finding the Fourth Proportional to 351,494.72, 527,133 and 126,825.98

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Solution

The fourth proportional to 351,494.72, 527,133 and 126,825.98 is: 190,199.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,494.72 : 527,133 = 126,825.98 : x
  2. Step 2: Convert to fraction form
    351,494.72/527,133 = 126,825.98/x
  3. Step 3: Cross multiply
    351,494.72x = 527,133 × 126,825.98
  4. Step 4: Simplify right side
    351,494.72x = 66,854,159,315.34
  5. Step 5: Solve for x
    x = 66,854,159,315.34/351,494.72
  6. Step 6: Final answer
    x = 190,199.61

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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.