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Finding the Fourth Proportional to 239,177.97, 330,064.06 and 131,745.51

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Solution

The fourth proportional to 239,177.97, 330,064.06 and 131,745.51 is: 181,807.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,177.97 : 330,064.06 = 131,745.51 : x
  2. Step 2: Convert to fraction form
    239,177.97/330,064.06 = 131,745.51/x
  3. Step 3: Cross multiply
    239,177.97x = 330,064.06 × 131,745.51
  4. Step 4: Simplify right side
    239,177.97x = 43,484,457,917.37
  5. Step 5: Solve for x
    x = 43,484,457,917.37/239,177.97
  6. Step 6: Final answer
    x = 181,807.96

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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.