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Finding the Fourth Proportional to 67,266.75, 100,900.25 and 63,156.39

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Solution

The fourth proportional to 67,266.75, 100,900.25 and 63,156.39 is: 94,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,266.75 : 100,900.25 = 63,156.39 : x
  2. Step 2: Convert to fraction form
    67,266.75/100,900.25 = 63,156.39/x
  3. Step 3: Cross multiply
    67,266.75x = 100,900.25 × 63,156.39
  4. Step 4: Simplify right side
    67,266.75x = 6,372,495,035.60
  5. Step 5: Solve for x
    x = 6,372,495,035.60/67,266.75
  6. Step 6: Final answer
    x = 94,734.70

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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.