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Finding the Fourth Proportional to 92,563.55, 138,816.60 and 33,391.53

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Solution

The fourth proportional to 92,563.55, 138,816.60 and 33,391.53 is: 50,076.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,563.55 : 138,816.60 = 33,391.53 : x
  2. Step 2: Convert to fraction form
    92,563.55/138,816.60 = 33,391.53/x
  3. Step 3: Cross multiply
    92,563.55x = 138,816.60 × 33,391.53
  4. Step 4: Simplify right side
    92,563.55x = 4,635,298,663.40
  5. Step 5: Solve for x
    x = 4,635,298,663.40/92,563.55
  6. Step 6: Final answer
    x = 50,076.94

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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.