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Finding the Fourth Proportional to 79,266.57, 118,766.13 and 39,232.17

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Solution

The fourth proportional to 79,266.57, 118,766.13 and 39,232.17 is: 58,782.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,266.57 : 118,766.13 = 39,232.17 : x
  2. Step 2: Convert to fraction form
    79,266.57/118,766.13 = 39,232.17/x
  3. Step 3: Cross multiply
    79,266.57x = 118,766.13 × 39,232.17
  4. Step 4: Simplify right side
    79,266.57x = 4,659,453,075.96
  5. Step 5: Solve for x
    x = 4,659,453,075.96/79,266.57
  6. Step 6: Final answer
    x = 58,782.07

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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.