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Finding the Fourth Proportional to 236,096.68, 325,809.12 and 128,667.64

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Solution

The fourth proportional to 236,096.68, 325,809.12 and 128,667.64 is: 177,559.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,096.68 : 325,809.12 = 128,667.64 : x
  2. Step 2: Convert to fraction form
    236,096.68/325,809.12 = 128,667.64/x
  3. Step 3: Cross multiply
    236,096.68x = 325,809.12 × 128,667.64
  4. Step 4: Simplify right side
    236,096.68x = 41,921,090,560.88
  5. Step 5: Solve for x
    x = 41,921,090,560.88/236,096.68
  6. Step 6: Final answer
    x = 177,559.00

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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.