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Finding the Fourth Proportional to 88,147.73, 132,193.58 and 28,969.53

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Solution

The fourth proportional to 88,147.73, 132,193.58 and 28,969.53 is: 43,445.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,147.73 : 132,193.58 = 28,969.53 : x
  2. Step 2: Convert to fraction form
    88,147.73/132,193.58 = 28,969.53/x
  3. Step 3: Cross multiply
    88,147.73x = 132,193.58 × 28,969.53
  4. Step 4: Simplify right side
    88,147.73x = 3,829,585,736.77
  5. Step 5: Solve for x
    x = 3,829,585,736.77/88,147.73
  6. Step 6: Final answer
    x = 43,445.09

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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.