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Finding the Fourth Proportional to 179,958.88, 248,344.56 and 99,384.16

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Solution

The fourth proportional to 179,958.88, 248,344.56 and 99,384.16 is: 137,150.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,958.88 : 248,344.56 = 99,384.16 : x
  2. Step 2: Convert to fraction form
    179,958.88/248,344.56 = 99,384.16/x
  3. Step 3: Cross multiply
    179,958.88x = 248,344.56 × 99,384.16
  4. Step 4: Simplify right side
    179,958.88x = 24,681,515,486.17
  5. Step 5: Solve for x
    x = 24,681,515,486.17/179,958.88
  6. Step 6: Final answer
    x = 137,150.86

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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.