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Finding the Fourth Proportional to 92,592.33, 138,859.77 and 33,420.30

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Solution

The fourth proportional to 92,592.33, 138,859.77 and 33,420.30 is: 50,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,592.33 : 138,859.77 = 33,420.30 : x
  2. Step 2: Convert to fraction form
    92,592.33/138,859.77 = 33,420.30/x
  3. Step 3: Cross multiply
    92,592.33x = 138,859.77 × 33,420.30
  4. Step 4: Simplify right side
    92,592.33x = 4,640,735,171.33
  5. Step 5: Solve for x
    x = 4,640,735,171.33/92,592.33
  6. Step 6: Final answer
    x = 50,120.08

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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.