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Finding the Fourth Proportional to 159,954.39, 220,725.95 and 88,333.79

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Solution

The fourth proportional to 159,954.39, 220,725.95 and 88,333.79 is: 121,894.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,954.39 : 220,725.95 = 88,333.79 : x
  2. Step 2: Convert to fraction form
    159,954.39/220,725.95 = 88,333.79/x
  3. Step 3: Cross multiply
    159,954.39x = 220,725.95 × 88,333.79
  4. Step 4: Simplify right side
    159,954.39x = 19,497,558,169.55
  5. Step 5: Solve for x
    x = 19,497,558,169.55/159,954.39
  6. Step 6: Final answer
    x = 121,894.49

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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.