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Finding the Fourth Proportional to 79,239.72, 118,866.04 and 32,493

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Solution

The fourth proportional to 79,239.72, 118,866.04 and 32,493 is: 48,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,239.72 : 118,866.04 = 32,493 : x
  2. Step 2: Convert to fraction form
    79,239.72/118,866.04 = 32,493/x
  3. Step 3: Cross multiply
    79,239.72x = 118,866.04 × 32,493
  4. Step 4: Simplify right side
    79,239.72x = 3,862,314,237.72
  5. Step 5: Solve for x
    x = 3,862,314,237.72/79,239.72
  6. Step 6: Final answer
    x = 48,742.15

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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.