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Finding the Fourth Proportional to 100,273.55, 150,309.11 and 62,859.90

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Solution

The fourth proportional to 100,273.55, 150,309.11 and 62,859.90 is: 94,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,273.55 : 150,309.11 = 62,859.90 : x
  2. Step 2: Convert to fraction form
    100,273.55/150,309.11 = 62,859.90/x
  3. Step 3: Cross multiply
    100,273.55x = 150,309.11 × 62,859.90
  4. Step 4: Simplify right side
    100,273.55x = 9,448,415,309.39
  5. Step 5: Solve for x
    x = 9,448,415,309.39/100,273.55
  6. Step 6: Final answer
    x = 94,226.40

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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.