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Finding the Fourth Proportional to 89,192.08, 123,090.60 and 49,448.08

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Solution

The fourth proportional to 89,192.08, 123,090.60 and 49,448.08 is: 68,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,192.08 : 123,090.60 = 49,448.08 : x
  2. Step 2: Convert to fraction form
    89,192.08/123,090.60 = 49,448.08/x
  3. Step 3: Cross multiply
    89,192.08x = 123,090.60 × 49,448.08
  4. Step 4: Simplify right side
    89,192.08x = 6,086,593,836.05
  5. Step 5: Solve for x
    x = 6,086,593,836.05/89,192.08
  6. Step 6: Final answer
    x = 68,241.42

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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.