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Finding the Fourth Proportional to 253,247.16, 379,957.44 and 95,520.72

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Solution

The fourth proportional to 253,247.16, 379,957.44 and 95,520.72 is: 143,313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,247.16 : 379,957.44 = 95,520.72 : x
  2. Step 2: Convert to fraction form
    253,247.16/379,957.44 = 95,520.72/x
  3. Step 3: Cross multiply
    253,247.16x = 379,957.44 × 95,520.72
  4. Step 4: Simplify right side
    253,247.16x = 36,293,808,238.16
  5. Step 5: Solve for x
    x = 36,293,808,238.16/253,247.16
  6. Step 6: Final answer
    x = 143,313.78

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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.