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Finding the Fourth Proportional to 223,892.70, 335,401.65 and 134,881.80

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Solution

The fourth proportional to 223,892.70, 335,401.65 and 134,881.80 is: 202,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,892.70 : 335,401.65 = 134,881.80 : x
  2. Step 2: Convert to fraction form
    223,892.70/335,401.65 = 134,881.80/x
  3. Step 3: Cross multiply
    223,892.70x = 335,401.65 × 134,881.80
  4. Step 4: Simplify right side
    223,892.70x = 45,239,578,274.97
  5. Step 5: Solve for x
    x = 45,239,578,274.97/223,892.70
  6. Step 6: Final answer
    x = 202,059.19

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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.