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Finding the Fourth Proportional to 113,642.49, 170,463.64 and 30,536.49

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Solution

The fourth proportional to 113,642.49, 170,463.64 and 30,536.49 is: 45,804.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,642.49 : 170,463.64 = 30,536.49 : x
  2. Step 2: Convert to fraction form
    113,642.49/170,463.64 = 30,536.49/x
  3. Step 3: Cross multiply
    113,642.49x = 170,463.64 × 30,536.49
  4. Step 4: Simplify right side
    113,642.49x = 5,205,361,238.22
  5. Step 5: Solve for x
    x = 5,205,361,238.22/113,642.49
  6. Step 6: Final answer
    x = 45,804.71

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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.