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Finding the Fourth Proportional to 79,774.52, 119,530.56 and 63,240.80

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Solution

The fourth proportional to 79,774.52, 119,530.56 and 63,240.80 is: 94,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,774.52 : 119,530.56 = 63,240.80 : x
  2. Step 2: Convert to fraction form
    79,774.52/119,530.56 = 63,240.80/x
  3. Step 3: Cross multiply
    79,774.52x = 119,530.56 × 63,240.80
  4. Step 4: Simplify right side
    79,774.52x = 7,559,208,238.85
  5. Step 5: Solve for x
    x = 7,559,208,238.85/79,774.52
  6. Step 6: Final answer
    x = 94,757.18

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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.