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Finding the Fourth Proportional to 96,662.60, 133,502.46 and 66,540.32

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Solution

The fourth proportional to 96,662.60, 133,502.46 and 66,540.32 is: 91,900.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,662.60 : 133,502.46 = 66,540.32 : x
  2. Step 2: Convert to fraction form
    96,662.60/133,502.46 = 66,540.32/x
  3. Step 3: Cross multiply
    96,662.60x = 133,502.46 × 66,540.32
  4. Step 4: Simplify right side
    96,662.60x = 8,883,296,409.19
  5. Step 5: Solve for x
    x = 8,883,296,409.19/96,662.60
  6. Step 6: Final answer
    x = 91,900.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.