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Finding the Fourth Proportional to 92,300.53, 137,944.98 and 67,393.03

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Solution

The fourth proportional to 92,300.53, 137,944.98 and 67,393.03 is: 100,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,300.53 : 137,944.98 = 67,393.03 : x
  2. Step 2: Convert to fraction form
    92,300.53/137,944.98 = 67,393.03/x
  3. Step 3: Cross multiply
    92,300.53x = 137,944.98 × 67,393.03
  4. Step 4: Simplify right side
    92,300.53x = 9,296,530,175.49
  5. Step 5: Solve for x
    x = 9,296,530,175.49/92,300.53
  6. Step 6: Final answer
    x = 100,720.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.