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Finding the Fourth Proportional to 236,610.42, 354,918.71 and 68,133.51

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Solution

The fourth proportional to 236,610.42, 354,918.71 and 68,133.51 is: 102,201.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,610.42 : 354,918.71 = 68,133.51 : x
  2. Step 2: Convert to fraction form
    236,610.42/354,918.71 = 68,133.51/x
  3. Step 3: Cross multiply
    236,610.42x = 354,918.71 × 68,133.51
  4. Step 4: Simplify right side
    236,610.42x = 24,181,857,136.30
  5. Step 5: Solve for x
    x = 24,181,857,136.30/236,610.42
  6. Step 6: Final answer
    x = 102,201.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.