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Finding the Fourth Proportional to 179,782.82, 248,024.81 and 126,102.90

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Solution

The fourth proportional to 179,782.82, 248,024.81 and 126,102.90 is: 173,969.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,782.82 : 248,024.81 = 126,102.90 : x
  2. Step 2: Convert to fraction form
    179,782.82/248,024.81 = 126,102.90/x
  3. Step 3: Cross multiply
    179,782.82x = 248,024.81 × 126,102.90
  4. Step 4: Simplify right side
    179,782.82x = 31,276,647,182.43
  5. Step 5: Solve for x
    x = 31,276,647,182.43/179,782.82
  6. Step 6: Final answer
    x = 173,969.06

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1.5x scale

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.