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Finding the Fourth Proportional to 73,126.40, 100,908.96 and 41,295.20

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Solution

The fourth proportional to 73,126.40, 100,908.96 and 41,295.20 is: 56,984.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,126.40 : 100,908.96 = 41,295.20 : x
  2. Step 2: Convert to fraction form
    73,126.40/100,908.96 = 41,295.20/x
  3. Step 3: Cross multiply
    73,126.40x = 100,908.96 × 41,295.20
  4. Step 4: Simplify right side
    73,126.40x = 4,167,055,684.99
  5. Step 5: Solve for x
    x = 4,167,055,684.99/73,126.40
  6. Step 6: Final answer
    x = 56,984.29

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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.