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Finding the Fourth Proportional to 169,452.36, 253,891.49 and 112,486.48

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Solution

The fourth proportional to 169,452.36, 253,891.49 and 112,486.48 is: 168,539.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,452.36 : 253,891.49 = 112,486.48 : x
  2. Step 2: Convert to fraction form
    169,452.36/253,891.49 = 112,486.48/x
  3. Step 3: Cross multiply
    169,452.36x = 253,891.49 × 112,486.48
  4. Step 4: Simplify right side
    169,452.36x = 28,559,358,742.60
  5. Step 5: Solve for x
    x = 28,559,358,742.60/169,452.36
  6. Step 6: Final answer
    x = 168,539.17

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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.