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Finding the Fourth Proportional to 67,293.95, 100,941.73 and 28,820.27

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Solution

The fourth proportional to 67,293.95, 100,941.73 and 28,820.27 is: 43,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,293.95 : 100,941.73 = 28,820.27 : x
  2. Step 2: Convert to fraction form
    67,293.95/100,941.73 = 28,820.27/x
  3. Step 3: Cross multiply
    67,293.95x = 100,941.73 × 28,820.27
  4. Step 4: Simplify right side
    67,293.95x = 2,909,168,093.17
  5. Step 5: Solve for x
    x = 2,909,168,093.17/67,293.95
  6. Step 6: Final answer
    x = 43,230.76

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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.