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Finding the Fourth Proportional to 92,334.98, 138,453.24 and 47,917.01

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Solution

The fourth proportional to 92,334.98, 138,453.24 and 47,917.01 is: 71,849.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,334.98 : 138,453.24 = 47,917.01 : x
  2. Step 2: Convert to fraction form
    92,334.98/138,453.24 = 47,917.01/x
  3. Step 3: Cross multiply
    92,334.98x = 138,453.24 × 47,917.01
  4. Step 4: Simplify right side
    92,334.98x = 6,634,265,285.61
  5. Step 5: Solve for x
    x = 6,634,265,285.61/92,334.98
  6. Step 6: Final answer
    x = 71,849.97

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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.