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Finding the Fourth Proportional to 89,260.78, 133,805.74 and 33,085.80

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Solution

The fourth proportional to 89,260.78, 133,805.74 and 33,085.80 is: 49,597.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,260.78 : 133,805.74 = 33,085.80 : x
  2. Step 2: Convert to fraction form
    89,260.78/133,805.74 = 33,085.80/x
  3. Step 3: Cross multiply
    89,260.78x = 133,805.74 × 33,085.80
  4. Step 4: Simplify right side
    89,260.78x = 4,427,069,952.49
  5. Step 5: Solve for x
    x = 4,427,069,952.49/89,260.78
  6. Step 6: Final answer
    x = 49,597.03

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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.