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Finding the Fourth Proportional to 119,718.37, 179,577.56 and 113,731.97

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Solution

The fourth proportional to 119,718.37, 179,577.56 and 113,731.97 is: 170,597.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,718.37 : 179,577.56 = 113,731.97 : x
  2. Step 2: Convert to fraction form
    119,718.37/179,577.56 = 113,731.97/x
  3. Step 3: Cross multiply
    119,718.37x = 179,577.56 × 113,731.97
  4. Step 4: Simplify right side
    119,718.37x = 20,423,709,760.12
  5. Step 5: Solve for x
    x = 20,423,709,760.12/119,718.37
  6. Step 6: Final answer
    x = 170,597.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.