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Finding the Fourth Proportional to 236,551.68, 326,517.12 and 136,016.64

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Solution

The fourth proportional to 236,551.68, 326,517.12 and 136,016.64 is: 187,746.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,551.68 : 326,517.12 = 136,016.64 : x
  2. Step 2: Convert to fraction form
    236,551.68/326,517.12 = 136,016.64/x
  3. Step 3: Cross multiply
    236,551.68x = 326,517.12 × 136,016.64
  4. Step 4: Simplify right side
    236,551.68x = 44,411,761,564.88
  5. Step 5: Solve for x
    x = 44,411,761,564.88/236,551.68
  6. Step 6: Final answer
    x = 187,746.55

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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.