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Finding the Fourth Proportional to 223,853.80, 335,840.10 and 97,439.80

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Solution

The fourth proportional to 223,853.80, 335,840.10 and 97,439.80 is: 146,185.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,853.80 : 335,840.10 = 97,439.80 : x
  2. Step 2: Convert to fraction form
    223,853.80/335,840.10 = 97,439.80/x
  3. Step 3: Cross multiply
    223,853.80x = 335,840.10 × 97,439.80
  4. Step 4: Simplify right side
    223,853.80x = 32,724,192,175.98
  5. Step 5: Solve for x
    x = 32,724,192,175.98/223,853.80
  6. Step 6: Final answer
    x = 146,185.56

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1.5x scale

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.