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Finding the Fourth Proportional to 92,575.38, 138,834.30 and 33,403.35

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Solution

The fourth proportional to 92,575.38, 138,834.30 and 33,403.35 is: 50,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,575.38 : 138,834.30 = 33,403.35 : x
  2. Step 2: Convert to fraction form
    92,575.38/138,834.30 = 33,403.35/x
  3. Step 3: Cross multiply
    92,575.38x = 138,834.30 × 33,403.35
  4. Step 4: Simplify right side
    92,575.38x = 4,637,530,714.91
  5. Step 5: Solve for x
    x = 4,637,530,714.91/92,575.38
  6. Step 6: Final answer
    x = 50,094.64

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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.