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Finding the Fourth Proportional to 404,026.91, 605,908.47 and 134,082.54

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Solution

The fourth proportional to 404,026.91, 605,908.47 and 134,082.54 is: 201,080.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,026.91 : 605,908.47 = 134,082.54 : x
  2. Step 2: Convert to fraction form
    404,026.91/605,908.47 = 134,082.54/x
  3. Step 3: Cross multiply
    404,026.91x = 605,908.47 × 134,082.54
  4. Step 4: Simplify right side
    404,026.91x = 81,241,746,665.11
  5. Step 5: Solve for x
    x = 81,241,746,665.11/404,026.91
  6. Step 6: Final answer
    x = 201,080.04

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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.