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Finding the Fourth Proportional to 93,890.90, 140,850.48 and 27,322.40

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Solution

The fourth proportional to 93,890.90, 140,850.48 and 27,322.40 is: 40,987.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,890.90 : 140,850.48 = 27,322.40 : x
  2. Step 2: Convert to fraction form
    93,890.90/140,850.48 = 27,322.40/x
  3. Step 3: Cross multiply
    93,890.90x = 140,850.48 × 27,322.40
  4. Step 4: Simplify right side
    93,890.90x = 3,848,373,154.75
  5. Step 5: Solve for x
    x = 3,848,373,154.75/93,890.90
  6. Step 6: Final answer
    x = 40,987.71

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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.