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Finding the Fourth Proportional to 235,188.72, 324,562.74 and 127,759.62

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Solution

The fourth proportional to 235,188.72, 324,562.74 and 127,759.62 is: 176,309.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,188.72 : 324,562.74 = 127,759.62 : x
  2. Step 2: Convert to fraction form
    235,188.72/324,562.74 = 127,759.62/x
  3. Step 3: Cross multiply
    235,188.72x = 324,562.74 × 127,759.62
  4. Step 4: Simplify right side
    235,188.72x = 41,466,012,328.56
  5. Step 5: Solve for x
    x = 41,466,012,328.56/235,188.72
  6. Step 6: Final answer
    x = 176,309.53

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1.5x scale

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.