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Finding the Fourth Proportional to 231,008.90, 346,525.56 and 73,249.65

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Solution

The fourth proportional to 231,008.90, 346,525.56 and 73,249.65 is: 109,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,008.90 : 346,525.56 = 73,249.65 : x
  2. Step 2: Convert to fraction form
    231,008.90/346,525.56 = 73,249.65/x
  3. Step 3: Cross multiply
    231,008.90x = 346,525.56 × 73,249.65
  4. Step 4: Simplify right side
    231,008.90x = 25,382,875,986.05
  5. Step 5: Solve for x
    x = 25,382,875,986.05/231,008.90
  6. Step 6: Final answer
    x = 109,878.35

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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.