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Finding the Fourth Proportional to 224,063.96, 335,979.30 and 66,271.12

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Solution

The fourth proportional to 224,063.96, 335,979.30 and 66,271.12 is: 99,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,063.96 : 335,979.30 = 66,271.12 : x
  2. Step 2: Convert to fraction form
    224,063.96/335,979.30 = 66,271.12/x
  3. Step 3: Cross multiply
    224,063.96x = 335,979.30 × 66,271.12
  4. Step 4: Simplify right side
    224,063.96x = 22,265,724,507.82
  5. Step 5: Solve for x
    x = 22,265,724,507.82/224,063.96
  6. Step 6: Final answer
    x = 99,372.18

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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.