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Finding the Fourth Proportional to 231,014.32, 346,531.32 and 73,239.28

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Solution

The fourth proportional to 231,014.32, 346,531.32 and 73,239.28 is: 109,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,014.32 : 346,531.32 = 73,239.28 : x
  2. Step 2: Convert to fraction form
    231,014.32/346,531.32 = 73,239.28/x
  3. Step 3: Cross multiply
    231,014.32x = 346,531.32 × 73,239.28
  4. Step 4: Simplify right side
    231,014.32x = 25,379,704,374.25
  5. Step 5: Solve for x
    x = 25,379,704,374.25/231,014.32
  6. Step 6: Final answer
    x = 109,862.04

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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.