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Finding the Fourth Proportional to 92,657.81, 138,986.91 and 33,493.38

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Solution

The fourth proportional to 92,657.81, 138,986.91 and 33,493.38 is: 50,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,657.81 : 138,986.91 = 33,493.38 : x
  2. Step 2: Convert to fraction form
    92,657.81/138,986.91 = 33,493.38/x
  3. Step 3: Cross multiply
    92,657.81x = 138,986.91 × 33,493.38
  4. Step 4: Simplify right side
    92,657.81x = 4,655,141,391.66
  5. Step 5: Solve for x
    x = 4,655,141,391.66/92,657.81
  6. Step 6: Final answer
    x = 50,240.14

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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.