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Finding the Fourth Proportional to 92,195.96, 138,337 and 47,798.52

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Solution

The fourth proportional to 92,195.96, 138,337 and 47,798.52 is: 71,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,195.96 : 138,337 = 47,798.52 : x
  2. Step 2: Convert to fraction form
    92,195.96/138,337 = 47,798.52/x
  3. Step 3: Cross multiply
    92,195.96x = 138,337 × 47,798.52
  4. Step 4: Simplify right side
    92,195.96x = 6,612,303,861.24
  5. Step 5: Solve for x
    x = 6,612,303,861.24/92,195.96
  6. Step 6: Final answer
    x = 71,720.10

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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.