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Finding the Fourth Proportional to 75,149.67, 112,763.09 and 33,059.03

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Solution

The fourth proportional to 75,149.67, 112,763.09 and 33,059.03 is: 49,605.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,149.67 : 112,763.09 = 33,059.03 : x
  2. Step 2: Convert to fraction form
    75,149.67/112,763.09 = 33,059.03/x
  3. Step 3: Cross multiply
    75,149.67x = 112,763.09 × 33,059.03
  4. Step 4: Simplify right side
    75,149.67x = 3,727,838,491.82
  5. Step 5: Solve for x
    x = 3,727,838,491.82/75,149.67
  6. Step 6: Final answer
    x = 49,605.52

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1.5x scale

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.