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Finding the Fourth Proportional to 99,640.83, 149,428.74 and 33,063.08

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Solution

The fourth proportional to 99,640.83, 149,428.74 and 33,063.08 is: 49,583.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,640.83 : 149,428.74 = 33,063.08 : x
  2. Step 2: Convert to fraction form
    99,640.83/149,428.74 = 33,063.08/x
  3. Step 3: Cross multiply
    99,640.83x = 149,428.74 × 33,063.08
  4. Step 4: Simplify right side
    99,640.83x = 4,940,574,758.49
  5. Step 5: Solve for x
    x = 4,940,574,758.49/99,640.83
  6. Step 6: Final answer
    x = 49,583.84

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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.