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Finding the Fourth Proportional to 236,362.66, 326,182.55 and 128,933.18

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Solution

The fourth proportional to 236,362.66, 326,182.55 and 128,933.18 is: 177,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,362.66 : 326,182.55 = 128,933.18 : x
  2. Step 2: Convert to fraction form
    236,362.66/326,182.55 = 128,933.18/x
  3. Step 3: Cross multiply
    236,362.66x = 326,182.55 × 128,933.18
  4. Step 4: Simplify right side
    236,362.66x = 42,055,753,432.01
  5. Step 5: Solve for x
    x = 42,055,753,432.01/236,362.66
  6. Step 6: Final answer
    x = 177,928.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.