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Finding the Fourth Proportional to 79,222.40, 118,851.60 and 26,637.20

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Solution

The fourth proportional to 79,222.40, 118,851.60 and 26,637.20 is: 39,961.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,222.40 : 118,851.60 = 26,637.20 : x
  2. Step 2: Convert to fraction form
    79,222.40/118,851.60 = 26,637.20/x
  3. Step 3: Cross multiply
    79,222.40x = 118,851.60 × 26,637.20
  4. Step 4: Simplify right side
    79,222.40x = 3,165,873,839.52
  5. Step 5: Solve for x
    x = 3,165,873,839.52/79,222.40
  6. Step 6: Final answer
    x = 39,961.85

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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.