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Finding the Fourth Proportional to 117,584.31, 176,373.99 and 28,838.28

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Solution

The fourth proportional to 117,584.31, 176,373.99 and 28,838.28 is: 43,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,584.31 : 176,373.99 = 28,838.28 : x
  2. Step 2: Convert to fraction form
    117,584.31/176,373.99 = 28,838.28/x
  3. Step 3: Cross multiply
    117,584.31x = 176,373.99 × 28,838.28
  4. Step 4: Simplify right side
    117,584.31x = 5,086,322,508.34
  5. Step 5: Solve for x
    x = 5,086,322,508.34/117,584.31
  6. Step 6: Final answer
    x = 43,256.81

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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.