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Finding the Fourth Proportional to 81,892.22, 113,022.11 and 46,089.20

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Solution

The fourth proportional to 81,892.22, 113,022.11 and 46,089.20 is: 63,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,892.22 : 113,022.11 = 46,089.20 : x
  2. Step 2: Convert to fraction form
    81,892.22/113,022.11 = 46,089.20/x
  3. Step 3: Cross multiply
    81,892.22x = 113,022.11 × 46,089.20
  4. Step 4: Simplify right side
    81,892.22x = 5,209,098,900.36
  5. Step 5: Solve for x
    x = 5,209,098,900.36/81,892.22
  6. Step 6: Final answer
    x = 63,609.21

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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.