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Finding the Fourth Proportional to 93,967.92, 140,938.20 and 27,390.15

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Solution

The fourth proportional to 93,967.92, 140,938.20 and 27,390.15 is: 41,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,967.92 : 140,938.20 = 27,390.15 : x
  2. Step 2: Convert to fraction form
    93,967.92/140,938.20 = 27,390.15/x
  3. Step 3: Cross multiply
    93,967.92x = 140,938.20 × 27,390.15
  4. Step 4: Simplify right side
    93,967.92x = 3,860,318,438.73
  5. Step 5: Solve for x
    x = 3,860,318,438.73/93,967.92
  6. Step 6: Final answer
    x = 41,081.24

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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.