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Finding the Fourth Proportional to 92,495.70, 138,743.55 and 33,373.80

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Solution

The fourth proportional to 92,495.70, 138,743.55 and 33,373.80 is: 50,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,495.70 : 138,743.55 = 33,373.80 : x
  2. Step 2: Convert to fraction form
    92,495.70/138,743.55 = 33,373.80/x
  3. Step 3: Cross multiply
    92,495.70x = 138,743.55 × 33,373.80
  4. Step 4: Simplify right side
    92,495.70x = 4,630,399,488.99
  5. Step 5: Solve for x
    x = 4,630,399,488.99/92,495.70
  6. Step 6: Final answer
    x = 50,060.70

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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.