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Finding the Fourth Proportional to 82,806.44, 123,573.49 and 73,948.84

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Solution

The fourth proportional to 82,806.44, 123,573.49 and 73,948.84 is: 110,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,806.44 : 123,573.49 = 73,948.84 : x
  2. Step 2: Convert to fraction form
    82,806.44/123,573.49 = 73,948.84/x
  3. Step 3: Cross multiply
    82,806.44x = 123,573.49 × 73,948.84
  4. Step 4: Simplify right side
    82,806.44x = 9,138,116,240.25
  5. Step 5: Solve for x
    x = 9,138,116,240.25/82,806.44
  6. Step 6: Final answer
    x = 110,355.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.