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Finding the Fourth Proportional to 379,425.22, 569,124.26 and 95,118.11

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Solution

The fourth proportional to 379,425.22, 569,124.26 and 95,118.11 is: 142,673.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,425.22 : 569,124.26 = 95,118.11 : x
  2. Step 2: Convert to fraction form
    379,425.22/569,124.26 = 95,118.11/x
  3. Step 3: Cross multiply
    379,425.22x = 569,124.26 × 95,118.11
  4. Step 4: Simplify right side
    379,425.22x = 54,134,023,136.05
  5. Step 5: Solve for x
    x = 54,134,023,136.05/379,425.22
  6. Step 6: Final answer
    x = 142,673.76

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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.