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Finding the Fourth Proportional to 92,003.21, 137,975.64 and 29,659.13

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Solution

The fourth proportional to 92,003.21, 137,975.64 and 29,659.13 is: 44,479.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,003.21 : 137,975.64 = 29,659.13 : x
  2. Step 2: Convert to fraction form
    92,003.21/137,975.64 = 29,659.13/x
  3. Step 3: Cross multiply
    92,003.21x = 137,975.64 × 29,659.13
  4. Step 4: Simplify right side
    92,003.21x = 4,092,236,753.72
  5. Step 5: Solve for x
    x = 4,092,236,753.72/92,003.21
  6. Step 6: Final answer
    x = 44,479.28

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1.5x scale

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.