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Finding the Fourth Proportional to 240,932.28, 332,477.56 and 138,962

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Solution

The fourth proportional to 240,932.28, 332,477.56 and 138,962 is: 191,762.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,932.28 : 332,477.56 = 138,962 : x
  2. Step 2: Convert to fraction form
    240,932.28/332,477.56 = 138,962/x
  3. Step 3: Cross multiply
    240,932.28x = 332,477.56 × 138,962
  4. Step 4: Simplify right side
    240,932.28x = 46,201,746,692.72
  5. Step 5: Solve for x
    x = 46,201,746,692.72/240,932.28
  6. Step 6: Final answer
    x = 191,762.38

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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.