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Finding the Fourth Proportional to 253,385.44, 379,955.12 and 95,626.16

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Solution

The fourth proportional to 253,385.44, 379,955.12 and 95,626.16 is: 143,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,385.44 : 379,955.12 = 95,626.16 : x
  2. Step 2: Convert to fraction form
    253,385.44/379,955.12 = 95,626.16/x
  3. Step 3: Cross multiply
    253,385.44x = 379,955.12 × 95,626.16
  4. Step 4: Simplify right side
    253,385.44x = 36,333,649,097.94
  5. Step 5: Solve for x
    x = 36,333,649,097.94/253,385.44
  6. Step 6: Final answer
    x = 143,392.81

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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.