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Finding the Fourth Proportional to 93,640.64, 140,440.16 and 27,066.24

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Solution

The fourth proportional to 93,640.64, 140,440.16 and 27,066.24 is: 40,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,640.64 : 140,440.16 = 27,066.24 : x
  2. Step 2: Convert to fraction form
    93,640.64/140,440.16 = 27,066.24/x
  3. Step 3: Cross multiply
    93,640.64x = 140,440.16 × 27,066.24
  4. Step 4: Simplify right side
    93,640.64x = 3,801,187,076.20
  5. Step 5: Solve for x
    x = 3,801,187,076.20/93,640.64
  6. Step 6: Final answer
    x = 40,593.35

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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.