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Finding the Fourth Proportional to 235,777.41, 325,406.43 and 133,828.11

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Solution

The fourth proportional to 235,777.41, 325,406.43 and 133,828.11 is: 184,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,777.41 : 325,406.43 = 133,828.11 : x
  2. Step 2: Convert to fraction form
    235,777.41/325,406.43 = 133,828.11/x
  3. Step 3: Cross multiply
    235,777.41x = 325,406.43 × 133,828.11
  4. Step 4: Simplify right side
    235,777.41x = 43,548,527,508.75
  5. Step 5: Solve for x
    x = 43,548,527,508.75/235,777.41
  6. Step 6: Final answer
    x = 184,701.87

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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.