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Finding the Fourth Proportional to 365,431.91, 548,206.96 and 112,653.26

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Solution

The fourth proportional to 365,431.91, 548,206.96 and 112,653.26 is: 168,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,431.91 : 548,206.96 = 112,653.26 : x
  2. Step 2: Convert to fraction form
    365,431.91/548,206.96 = 112,653.26/x
  3. Step 3: Cross multiply
    365,431.91x = 548,206.96 × 112,653.26
  4. Step 4: Simplify right side
    365,431.91x = 61,757,299,218.03
  5. Step 5: Solve for x
    x = 61,757,299,218.03/365,431.91
  6. Step 6: Final answer
    x = 168,998.10

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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.