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Finding the Fourth Proportional to 236,608.77, 354,347.36 and 136,465.36

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Solution

The fourth proportional to 236,608.77, 354,347.36 and 136,465.36 is: 204,371.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,608.77 : 354,347.36 = 136,465.36 : x
  2. Step 2: Convert to fraction form
    236,608.77/354,347.36 = 136,465.36/x
  3. Step 3: Cross multiply
    236,608.77x = 354,347.36 × 136,465.36
  4. Step 4: Simplify right side
    236,608.77x = 48,356,139,987.60
  5. Step 5: Solve for x
    x = 48,356,139,987.60/236,608.77
  6. Step 6: Final answer
    x = 204,371.71

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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.