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Finding the Fourth Proportional to 67,270.94, 100,750.88 and 64,938.14

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Solution

The fourth proportional to 67,270.94, 100,750.88 and 64,938.14 is: 97,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,270.94 : 100,750.88 = 64,938.14 : x
  2. Step 2: Convert to fraction form
    67,270.94/100,750.88 = 64,938.14/x
  3. Step 3: Cross multiply
    67,270.94x = 100,750.88 × 64,938.14
  4. Step 4: Simplify right side
    67,270.94x = 6,542,573,922.12
  5. Step 5: Solve for x
    x = 6,542,573,922.12/67,270.94
  6. Step 6: Final answer
    x = 97,257.07

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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.