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Finding the Fourth Proportional to 79,103.02, 118,642.02 and 26,512.96

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Solution

The fourth proportional to 79,103.02, 118,642.02 and 26,512.96 is: 39,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,103.02 : 118,642.02 = 26,512.96 : x
  2. Step 2: Convert to fraction form
    79,103.02/118,642.02 = 26,512.96/x
  3. Step 3: Cross multiply
    79,103.02x = 118,642.02 × 26,512.96
  4. Step 4: Simplify right side
    79,103.02x = 3,145,551,130.58
  5. Step 5: Solve for x
    x = 3,145,551,130.58/79,103.02
  6. Step 6: Final answer
    x = 39,765.25

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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.