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Finding the Fourth Proportional to 233,785.25, 322,617.18 and 131,809.82

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Solution

The fourth proportional to 233,785.25, 322,617.18 and 131,809.82 is: 181,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,785.25 : 322,617.18 = 131,809.82 : x
  2. Step 2: Convert to fraction form
    233,785.25/322,617.18 = 131,809.82/x
  3. Step 3: Cross multiply
    233,785.25x = 322,617.18 × 131,809.82
  4. Step 4: Simplify right side
    233,785.25x = 42,524,110,811.62
  5. Step 5: Solve for x
    x = 42,524,110,811.62/233,785.25
  6. Step 6: Final answer
    x = 181,893.90

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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.