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Finding the Fourth Proportional to 223,476.89, 335,426.00 and 81,459.43

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Solution

The fourth proportional to 223,476.89, 335,426.00 and 81,459.43 is: 122,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,476.89 : 335,426.00 = 81,459.43 : x
  2. Step 2: Convert to fraction form
    223,476.89/335,426.00 = 81,459.43/x
  3. Step 3: Cross multiply
    223,476.89x = 335,426.00 × 81,459.43
  4. Step 4: Simplify right side
    223,476.89x = 27,323,610,100.82
  5. Step 5: Solve for x
    x = 27,323,610,100.82/223,476.89
  6. Step 6: Final answer
    x = 122,265.93

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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.