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Finding the Fourth Proportional to 164,391.58, 226,859.43 and 88,938.46

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Solution

The fourth proportional to 164,391.58, 226,859.43 and 88,938.46 is: 122,734.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,391.58 : 226,859.43 = 88,938.46 : x
  2. Step 2: Convert to fraction form
    164,391.58/226,859.43 = 88,938.46/x
  3. Step 3: Cross multiply
    164,391.58x = 226,859.43 × 88,938.46
  4. Step 4: Simplify right side
    164,391.58x = 20,176,528,340.68
  5. Step 5: Solve for x
    x = 20,176,528,340.68/164,391.58
  6. Step 6: Final answer
    x = 122,734.56

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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.