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Finding the Fourth Proportional to 169,953.52, 254,431.86 and 119,176.48

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Solution

The fourth proportional to 169,953.52, 254,431.86 and 119,176.48 is: 178,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,953.52 : 254,431.86 = 119,176.48 : x
  2. Step 2: Convert to fraction form
    169,953.52/254,431.86 = 119,176.48/x
  3. Step 3: Cross multiply
    169,953.52x = 254,431.86 × 119,176.48
  4. Step 4: Simplify right side
    169,953.52x = 30,322,293,474.65
  5. Step 5: Solve for x
    x = 30,322,293,474.65/169,953.52
  6. Step 6: Final answer
    x = 178,415.21

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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.