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Finding the Fourth Proportional to 179,765.97, 248,076.74 and 99,193.43

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Solution

The fourth proportional to 179,765.97, 248,076.74 and 99,193.43 is: 136,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,765.97 : 248,076.74 = 99,193.43 : x
  2. Step 2: Convert to fraction form
    179,765.97/248,076.74 = 99,193.43/x
  3. Step 3: Cross multiply
    179,765.97x = 248,076.74 × 99,193.43
  4. Step 4: Simplify right side
    179,765.97x = 24,607,581,503.43
  5. Step 5: Solve for x
    x = 24,607,581,503.43/179,765.97
  6. Step 6: Final answer
    x = 136,886.77

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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.