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Finding the Fourth Proportional to 223,624.80, 335,453.40 and 134,686.80

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Solution

The fourth proportional to 223,624.80, 335,453.40 and 134,686.80 is: 202,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,624.80 : 335,453.40 = 134,686.80 : x
  2. Step 2: Convert to fraction form
    223,624.80/335,453.40 = 134,686.80/x
  3. Step 3: Cross multiply
    223,624.80x = 335,453.40 × 134,686.80
  4. Step 4: Simplify right side
    223,624.80x = 45,181,144,995.12
  5. Step 5: Solve for x
    x = 45,181,144,995.12/223,624.80
  6. Step 6: Final answer
    x = 202,039.96

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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.