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Finding the Fourth Proportional to 235,196.64, 324,565.92 and 127,764.27

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Solution

The fourth proportional to 235,196.64, 324,565.92 and 127,764.27 is: 176,311.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,196.64 : 324,565.92 = 127,764.27 : x
  2. Step 2: Convert to fraction form
    235,196.64/324,565.92 = 127,764.27/x
  3. Step 3: Cross multiply
    235,196.64x = 324,565.92 × 127,764.27
  4. Step 4: Simplify right side
    235,196.64x = 41,467,927,835.68
  5. Step 5: Solve for x
    x = 41,467,927,835.68/235,196.64
  6. Step 6: Final answer
    x = 176,311.74

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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.