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Finding the Fourth Proportional to 179,758.44, 248,068 and 99,188.96

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Solution

The fourth proportional to 179,758.44, 248,068 and 99,188.96 is: 136,881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,758.44 : 248,068 = 99,188.96 : x
  2. Step 2: Convert to fraction form
    179,758.44/248,068 = 99,188.96/x
  3. Step 3: Cross multiply
    179,758.44x = 248,068 × 99,188.96
  4. Step 4: Simplify right side
    179,758.44x = 24,605,606,929.28
  5. Step 5: Solve for x
    x = 24,605,606,929.28/179,758.44
  6. Step 6: Final answer
    x = 136,881.51

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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.