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Finding the Fourth Proportional to 235,999.68, 353,724.77 and 134,868.65

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Solution

The fourth proportional to 235,999.68, 353,724.77 and 134,868.65 is: 202,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,999.68 : 353,724.77 = 134,868.65 : x
  2. Step 2: Convert to fraction form
    235,999.68/353,724.77 = 134,868.65/x
  3. Step 3: Cross multiply
    235,999.68x = 353,724.77 × 134,868.65
  4. Step 4: Simplify right side
    235,999.68x = 47,706,380,770.01
  5. Step 5: Solve for x
    x = 47,706,380,770.01/235,999.68
  6. Step 6: Final answer
    x = 202,145.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.