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Finding the Fourth Proportional to 88,245.60, 132,370.32 and 25,916.16

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Solution

The fourth proportional to 88,245.60, 132,370.32 and 25,916.16 is: 38,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,245.60 : 132,370.32 = 25,916.16 : x
  2. Step 2: Convert to fraction form
    88,245.60/132,370.32 = 25,916.16/x
  3. Step 3: Cross multiply
    88,245.60x = 132,370.32 × 25,916.16
  4. Step 4: Simplify right side
    88,245.60x = 3,430,530,392.37
  5. Step 5: Solve for x
    x = 3,430,530,392.37/88,245.60
  6. Step 6: Final answer
    x = 38,874.80

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1.5x scale

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.