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Finding the Fourth Proportional to 67,373.80, 101,060.70 and 61,906.30

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Solution

The fourth proportional to 67,373.80, 101,060.70 and 61,906.30 is: 92,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,373.80 : 101,060.70 = 61,906.30 : x
  2. Step 2: Convert to fraction form
    67,373.80/101,060.70 = 61,906.30/x
  3. Step 3: Cross multiply
    67,373.80x = 101,060.70 × 61,906.30
  4. Step 4: Simplify right side
    67,373.80x = 6,256,294,012.41
  5. Step 5: Solve for x
    x = 6,256,294,012.41/67,373.80
  6. Step 6: Final answer
    x = 92,859.45

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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.