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Finding the Fourth Proportional to 89,755.79, 134,656.95 and 33,600.30

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Solution

The fourth proportional to 89,755.79, 134,656.95 and 33,600.30 is: 50,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,755.79 : 134,656.95 = 33,600.30 : x
  2. Step 2: Convert to fraction form
    89,755.79/134,656.95 = 33,600.30/x
  3. Step 3: Cross multiply
    89,755.79x = 134,656.95 × 33,600.30
  4. Step 4: Simplify right side
    89,755.79x = 4,524,513,917.09
  5. Step 5: Solve for x
    x = 4,524,513,917.09/89,755.79
  6. Step 6: Final answer
    x = 50,409.16

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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.