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Finding the Fourth Proportional to 88,065.60, 132,093.76 and 28,893.48

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Solution

The fourth proportional to 88,065.60, 132,093.76 and 28,893.48 is: 43,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,065.60 : 132,093.76 = 28,893.48 : x
  2. Step 2: Convert to fraction form
    88,065.60/132,093.76 = 28,893.48/x
  3. Step 3: Cross multiply
    88,065.60x = 132,093.76 × 28,893.48
  4. Step 4: Simplify right side
    88,065.60x = 3,816,648,412.68
  5. Step 5: Solve for x
    x = 3,816,648,412.68/88,065.60
  6. Step 6: Final answer
    x = 43,338.70

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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.