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Finding the Fourth Proportional to 236,091.57, 325,713.88 and 145,289.89

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Solution

The fourth proportional to 236,091.57, 325,713.88 and 145,289.89 is: 200,443.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,091.57 : 325,713.88 = 145,289.89 : x
  2. Step 2: Convert to fraction form
    236,091.57/325,713.88 = 145,289.89/x
  3. Step 3: Cross multiply
    236,091.57x = 325,713.88 × 145,289.89
  4. Step 4: Simplify right side
    236,091.57x = 47,322,934,610.96
  5. Step 5: Solve for x
    x = 47,322,934,610.96/236,091.57
  6. Step 6: Final answer
    x = 200,443.14

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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.