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Finding the Fourth Proportional to 235,760.68, 325,340.69 and 133,780.06

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Solution

The fourth proportional to 235,760.68, 325,340.69 and 133,780.06 is: 184,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,760.68 : 325,340.69 = 133,780.06 : x
  2. Step 2: Convert to fraction form
    235,760.68/325,340.69 = 133,780.06/x
  3. Step 3: Cross multiply
    235,760.68x = 325,340.69 × 133,780.06
  4. Step 4: Simplify right side
    235,760.68x = 43,524,096,766.42
  5. Step 5: Solve for x
    x = 43,524,096,766.42/235,760.68
  6. Step 6: Final answer
    x = 184,611.35

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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.