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Finding the Fourth Proportional to 79,033.84, 118,561.65 and 32,275.78

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Solution

The fourth proportional to 79,033.84, 118,561.65 and 32,275.78 is: 48,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,033.84 : 118,561.65 = 32,275.78 : x
  2. Step 2: Convert to fraction form
    79,033.84/118,561.65 = 32,275.78/x
  3. Step 3: Cross multiply
    79,033.84x = 118,561.65 × 32,275.78
  4. Step 4: Simplify right side
    79,033.84x = 3,826,669,731.84
  5. Step 5: Solve for x
    x = 3,826,669,731.84/79,033.84
  6. Step 6: Final answer
    x = 48,418.12

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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.