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Finding the Fourth Proportional to 73,114.26, 100,897.68 and 39,580.26

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Solution

The fourth proportional to 73,114.26, 100,897.68 and 39,580.26 is: 54,620.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,114.26 : 100,897.68 = 39,580.26 : x
  2. Step 2: Convert to fraction form
    73,114.26/100,897.68 = 39,580.26/x
  3. Step 3: Cross multiply
    73,114.26x = 100,897.68 × 39,580.26
  4. Step 4: Simplify right side
    73,114.26x = 3,993,556,407.80
  5. Step 5: Solve for x
    x = 3,993,556,407.80/73,114.26
  6. Step 6: Final answer
    x = 54,620.76

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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.