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Finding the Fourth Proportional to 67,820.55, 101,733.15 and 27,293.55

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Solution

The fourth proportional to 67,820.55, 101,733.15 and 27,293.55 is: 40,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,820.55 : 101,733.15 = 27,293.55 : x
  2. Step 2: Convert to fraction form
    67,820.55/101,733.15 = 27,293.55/x
  3. Step 3: Cross multiply
    67,820.55x = 101,733.15 × 27,293.55
  4. Step 4: Simplify right side
    67,820.55x = 2,776,658,816.18
  5. Step 5: Solve for x
    x = 2,776,658,816.18/67,820.55
  6. Step 6: Final answer
    x = 40,941.26

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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.