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Finding the Fourth Proportional to 223,451.81, 335,187.91 and 73,705.15

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Solution

The fourth proportional to 223,451.81, 335,187.91 and 73,705.15 is: 110,561.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,451.81 : 335,187.91 = 73,705.15 : x
  2. Step 2: Convert to fraction form
    223,451.81/335,187.91 = 73,705.15/x
  3. Step 3: Cross multiply
    223,451.81x = 335,187.91 × 73,705.15
  4. Step 4: Simplify right side
    223,451.81x = 24,705,075,281.26
  5. Step 5: Solve for x
    x = 24,705,075,281.26/223,451.81
  6. Step 6: Final answer
    x = 110,561.09

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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.