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Finding the Fourth Proportional to 67,405.72, 101,108.08 and 52,627

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Solution

The fourth proportional to 67,405.72, 101,108.08 and 52,627 is: 78,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,405.72 : 101,108.08 = 52,627 : x
  2. Step 2: Convert to fraction form
    67,405.72/101,108.08 = 52,627/x
  3. Step 3: Cross multiply
    67,405.72x = 101,108.08 × 52,627
  4. Step 4: Simplify right side
    67,405.72x = 5,321,014,926.16
  5. Step 5: Solve for x
    x = 5,321,014,926.16/67,405.72
  6. Step 6: Final answer
    x = 78,940.11

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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.