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Finding the Fourth Proportional to 93,559.64, 140,361.36 and 63,991.40

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Solution

The fourth proportional to 93,559.64, 140,361.36 and 63,991.40 is: 96,002.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,559.64 : 140,361.36 = 63,991.40 : x
  2. Step 2: Convert to fraction form
    93,559.64/140,361.36 = 63,991.40/x
  3. Step 3: Cross multiply
    93,559.64x = 140,361.36 × 63,991.40
  4. Step 4: Simplify right side
    93,559.64x = 8,981,919,932.30
  5. Step 5: Solve for x
    x = 8,981,919,932.30/93,559.64
  6. Step 6: Final answer
    x = 96,002.08

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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.