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Finding the Fourth Proportional to 117,803.52, 176,761.96 and 58,644.36

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Solution

The fourth proportional to 117,803.52, 176,761.96 and 58,644.36 is: 87,994.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,803.52 : 176,761.96 = 58,644.36 : x
  2. Step 2: Convert to fraction form
    117,803.52/176,761.96 = 58,644.36/x
  3. Step 3: Cross multiply
    117,803.52x = 176,761.96 × 58,644.36
  4. Step 4: Simplify right side
    117,803.52x = 10,366,092,016.55
  5. Step 5: Solve for x
    x = 10,366,092,016.55/117,803.52
  6. Step 6: Final answer
    x = 87,994.76

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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.