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Finding the Fourth Proportional to 75,063.31, 103,624.84 and 43,226.06

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Solution

The fourth proportional to 75,063.31, 103,624.84 and 43,226.06 is: 59,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,063.31 : 103,624.84 = 43,226.06 : x
  2. Step 2: Convert to fraction form
    75,063.31/103,624.84 = 43,226.06/x
  3. Step 3: Cross multiply
    75,063.31x = 103,624.84 × 43,226.06
  4. Step 4: Simplify right side
    75,063.31x = 4,479,293,208.81
  5. Step 5: Solve for x
    x = 4,479,293,208.81/75,063.31
  6. Step 6: Final answer
    x = 59,673.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.