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Finding the Fourth Proportional to 183,461.28, 253,230.32 and 119,808.96

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Solution

The fourth proportional to 183,461.28, 253,230.32 and 119,808.96 is: 165,371.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,461.28 : 253,230.32 = 119,808.96 : x
  2. Step 2: Convert to fraction form
    183,461.28/253,230.32 = 119,808.96/x
  3. Step 3: Cross multiply
    183,461.28x = 253,230.32 × 119,808.96
  4. Step 4: Simplify right side
    183,461.28x = 30,339,261,279.67
  5. Step 5: Solve for x
    x = 30,339,261,279.67/183,461.28
  6. Step 6: Final answer
    x = 165,371.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.