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Finding the Fourth Proportional to 253,166.78, 379,526.67 and 95,505.95

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Solution

The fourth proportional to 253,166.78, 379,526.67 and 95,505.95 is: 143,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,166.78 : 379,526.67 = 95,505.95 : x
  2. Step 2: Convert to fraction form
    253,166.78/379,526.67 = 95,505.95/x
  3. Step 3: Cross multiply
    253,166.78x = 379,526.67 × 95,505.95
  4. Step 4: Simplify right side
    253,166.78x = 36,247,053,271.05
  5. Step 5: Solve for x
    x = 36,247,053,271.05/253,166.78
  6. Step 6: Final answer
    x = 143,174.61

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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.