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Finding the Fourth Proportional to 92,129.36, 138,219.96 and 32,973.44

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Solution

The fourth proportional to 92,129.36, 138,219.96 and 32,973.44 is: 49,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,129.36 : 138,219.96 = 32,973.44 : x
  2. Step 2: Convert to fraction form
    92,129.36/138,219.96 = 32,973.44/x
  3. Step 3: Cross multiply
    92,129.36x = 138,219.96 × 32,973.44
  4. Step 4: Simplify right side
    92,129.36x = 4,557,587,557.86
  5. Step 5: Solve for x
    x = 4,557,587,557.86/92,129.36
  6. Step 6: Final answer
    x = 49,469.44

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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.