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Finding the Fourth Proportional to 224,043.82, 336,065.73 and 66,259.97

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Solution

The fourth proportional to 224,043.82, 336,065.73 and 66,259.97 is: 99,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,043.82 : 336,065.73 = 66,259.97 : x
  2. Step 2: Convert to fraction form
    224,043.82/336,065.73 = 66,259.97/x
  3. Step 3: Cross multiply
    224,043.82x = 336,065.73 × 66,259.97
  4. Step 4: Simplify right side
    224,043.82x = 22,267,705,187.83
  5. Step 5: Solve for x
    x = 22,267,705,187.83/224,043.82
  6. Step 6: Final answer
    x = 99,389.96

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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.