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Finding the Fourth Proportional to 401,158.26, 601,775.73 and 112,969.17

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Solution

The fourth proportional to 401,158.26, 601,775.73 and 112,969.17 is: 169,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,158.26 : 601,775.73 = 112,969.17 : x
  2. Step 2: Convert to fraction form
    401,158.26/601,775.73 = 112,969.17/x
  3. Step 3: Cross multiply
    401,158.26x = 601,775.73 × 112,969.17
  4. Step 4: Simplify right side
    401,158.26x = 67,982,104,744.24
  5. Step 5: Solve for x
    x = 67,982,104,744.24/401,158.26
  6. Step 6: Final answer
    x = 169,464.55

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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.