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Finding the Fourth Proportional to 236,713.95, 354,859.52 and 86,919.44

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Solution

The fourth proportional to 236,713.95, 354,859.52 and 86,919.44 is: 130,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,713.95 : 354,859.52 = 86,919.44 : x
  2. Step 2: Convert to fraction form
    236,713.95/354,859.52 = 86,919.44/x
  3. Step 3: Cross multiply
    236,713.95x = 354,859.52 × 86,919.44
  4. Step 4: Simplify right side
    236,713.95x = 30,844,188,548.17
  5. Step 5: Solve for x
    x = 30,844,188,548.17/236,713.95
  6. Step 6: Final answer
    x = 130,301.52

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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.