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Finding the Fourth Proportional to 117,672.88, 176,505 and 28,926.64

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Solution

The fourth proportional to 117,672.88, 176,505 and 28,926.64 is: 43,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,672.88 : 176,505 = 28,926.64 : x
  2. Step 2: Convert to fraction form
    117,672.88/176,505 = 28,926.64/x
  3. Step 3: Cross multiply
    117,672.88x = 176,505 × 28,926.64
  4. Step 4: Simplify right side
    117,672.88x = 5,105,696,593.20
  5. Step 5: Solve for x
    x = 5,105,696,593.20/117,672.88
  6. Step 6: Final answer
    x = 43,388.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.