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Finding the Fourth Proportional to 237,409.39, 327,612.51 and 129,958.84

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Solution

The fourth proportional to 237,409.39, 327,612.51 and 129,958.84 is: 179,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,409.39 : 327,612.51 = 129,958.84 : x
  2. Step 2: Convert to fraction form
    237,409.39/327,612.51 = 129,958.84/x
  3. Step 3: Cross multiply
    237,409.39x = 327,612.51 × 129,958.84
  4. Step 4: Simplify right side
    237,409.39x = 42,576,141,769.09
  5. Step 5: Solve for x
    x = 42,576,141,769.09/237,409.39
  6. Step 6: Final answer
    x = 179,336.39

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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.