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Finding the Fourth Proportional to 179,791.35, 248,111.80 and 99,218.86

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Solution

The fourth proportional to 179,791.35, 248,111.80 and 99,218.86 is: 136,921.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,791.35 : 248,111.80 = 99,218.86 : x
  2. Step 2: Convert to fraction form
    179,791.35/248,111.80 = 99,218.86/x
  3. Step 3: Cross multiply
    179,791.35x = 248,111.80 × 99,218.86
  4. Step 4: Simplify right side
    179,791.35x = 24,617,369,948.55
  5. Step 5: Solve for x
    x = 24,617,369,948.55/179,791.35
  6. Step 6: Final answer
    x = 136,921.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.