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Finding the Fourth Proportional to 93,886.80, 140,830.56 and 27,327.12

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Solution

The fourth proportional to 93,886.80, 140,830.56 and 27,327.12 is: 40,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,886.80 : 140,830.56 = 27,327.12 : x
  2. Step 2: Convert to fraction form
    93,886.80/140,830.56 = 27,327.12/x
  3. Step 3: Cross multiply
    93,886.80x = 140,830.56 × 27,327.12
  4. Step 4: Simplify right side
    93,886.80x = 3,848,493,612.79
  5. Step 5: Solve for x
    x = 3,848,493,612.79/93,886.80
  6. Step 6: Final answer
    x = 40,990.78

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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.