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Finding the Fourth Proportional to 93,969.84, 140,920.92 and 27,396.72

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Solution

The fourth proportional to 93,969.84, 140,920.92 and 27,396.72 is: 41,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,969.84 : 140,920.92 = 27,396.72 : x
  2. Step 2: Convert to fraction form
    93,969.84/140,920.92 = 27,396.72/x
  3. Step 3: Cross multiply
    93,969.84x = 140,920.92 × 27,396.72
  4. Step 4: Simplify right side
    93,969.84x = 3,860,770,987.38
  5. Step 5: Solve for x
    x = 3,860,770,987.38/93,969.84
  6. Step 6: Final answer
    x = 41,085.21

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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.