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Finding the Fourth Proportional to 94,388.64, 141,416.85 and 88,769.77

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Solution

The fourth proportional to 94,388.64, 141,416.85 and 88,769.77 is: 132,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,388.64 : 141,416.85 = 88,769.77 : x
  2. Step 2: Convert to fraction form
    94,388.64/141,416.85 = 88,769.77/x
  3. Step 3: Cross multiply
    94,388.64x = 141,416.85 × 88,769.77
  4. Step 4: Simplify right side
    94,388.64x = 12,553,542,023.44
  5. Step 5: Solve for x
    x = 12,553,542,023.44/94,388.64
  6. Step 6: Final answer
    x = 132,998.44

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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.