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Finding the Fourth Proportional to 71,206.52, 98,250.76 and 39,369.26

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Solution

The fourth proportional to 71,206.52, 98,250.76 and 39,369.26 is: 54,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,206.52 : 98,250.76 = 39,369.26 : x
  2. Step 2: Convert to fraction form
    71,206.52/98,250.76 = 39,369.26/x
  3. Step 3: Cross multiply
    71,206.52x = 98,250.76 × 39,369.26
  4. Step 4: Simplify right side
    71,206.52x = 3,868,059,715.64
  5. Step 5: Solve for x
    x = 3,868,059,715.64/71,206.52
  6. Step 6: Final answer
    x = 54,321.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.