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Finding the Fourth Proportional to 92,945.56, 128,264.62 and 50,504.09

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Solution

The fourth proportional to 92,945.56, 128,264.62 and 50,504.09 is: 69,695.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,945.56 : 128,264.62 = 50,504.09 : x
  2. Step 2: Convert to fraction form
    92,945.56/128,264.62 = 50,504.09/x
  3. Step 3: Cross multiply
    92,945.56x = 128,264.62 × 50,504.09
  4. Step 4: Simplify right side
    92,945.56x = 6,477,887,912.30
  5. Step 5: Solve for x
    x = 6,477,887,912.30/92,945.56
  6. Step 6: Final answer
    x = 69,695.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.