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Finding the Fourth Proportional to 178,190.97, 245,903.54 and 106,571.00

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Solution

The fourth proportional to 178,190.97, 245,903.54 and 106,571.00 is: 147,067.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,190.97 : 245,903.54 = 106,571.00 : x
  2. Step 2: Convert to fraction form
    178,190.97/245,903.54 = 106,571.00/x
  3. Step 3: Cross multiply
    178,190.97x = 245,903.54 × 106,571.00
  4. Step 4: Simplify right side
    178,190.97x = 26,206,184,398.97
  5. Step 5: Solve for x
    x = 26,206,184,398.97/178,190.97
  6. Step 6: Final answer
    x = 147,067.97

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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.