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Finding the Fourth Proportional to 169,394.78, 253,648.28 and 119,203.13

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Solution

The fourth proportional to 169,394.78, 253,648.28 and 119,203.13 is: 178,492.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,394.78 : 253,648.28 = 119,203.13 : x
  2. Step 2: Convert to fraction form
    169,394.78/253,648.28 = 119,203.13/x
  3. Step 3: Cross multiply
    169,394.78x = 253,648.28 × 119,203.13
  4. Step 4: Simplify right side
    169,394.78x = 30,235,669,827.24
  5. Step 5: Solve for x
    x = 30,235,669,827.24/169,394.78
  6. Step 6: Final answer
    x = 178,492.33

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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.