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Finding the Fourth Proportional to 245.49, 337.95 and 192.93

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Solution

The fourth proportional to 245.49, 337.95 and 192.93 is: 265.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.49 : 337.95 = 192.93 : x
  2. Step 2: Convert to fraction form
    245.49/337.95 = 192.93/x
  3. Step 3: Cross multiply
    245.49x = 337.95 × 192.93
  4. Step 4: Simplify right side
    245.49x = 65,200.69
  5. Step 5: Solve for x
    x = 65,200.69/245.49
  6. Step 6: Final answer
    x = 265.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.