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Finding the Fourth Proportional to 117,703.88, 176,633.58 and 55,379.24

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Solution

The fourth proportional to 117,703.88, 176,633.58 and 55,379.24 is: 83,105.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,703.88 : 176,633.58 = 55,379.24 : x
  2. Step 2: Convert to fraction form
    117,703.88/176,633.58 = 55,379.24/x
  3. Step 3: Cross multiply
    117,703.88x = 176,633.58 × 55,379.24
  4. Step 4: Simplify right side
    117,703.88x = 9,781,832,258.82
  5. Step 5: Solve for x
    x = 9,781,832,258.82/117,703.88
  6. Step 6: Final answer
    x = 83,105.44

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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.