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Finding the Fourth Proportional to 235,396.34, 324,833.46 and 127,965.50

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Solution

The fourth proportional to 235,396.34, 324,833.46 and 127,965.50 is: 176,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,396.34 : 324,833.46 = 127,965.50 : x
  2. Step 2: Convert to fraction form
    235,396.34/324,833.46 = 127,965.50/x
  3. Step 3: Cross multiply
    235,396.34x = 324,833.46 × 127,965.50
  4. Step 4: Simplify right side
    235,396.34x = 41,567,476,125.63
  5. Step 5: Solve for x
    x = 41,567,476,125.63/235,396.34
  6. Step 6: Final answer
    x = 176,585.06

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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.