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Finding the Fourth Proportional to 117,562.64, 176,343.80 and 34,456.56

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Solution

The fourth proportional to 117,562.64, 176,343.80 and 34,456.56 is: 51,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,562.64 : 176,343.80 = 34,456.56 : x
  2. Step 2: Convert to fraction form
    117,562.64/176,343.80 = 34,456.56/x
  3. Step 3: Cross multiply
    117,562.64x = 176,343.80 × 34,456.56
  4. Step 4: Simplify right side
    117,562.64x = 6,076,200,725.33
  5. Step 5: Solve for x
    x = 6,076,200,725.33/117,562.64
  6. Step 6: Final answer
    x = 51,684.79

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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.