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Finding the Fourth Proportional to 252,809.97, 379,068.18 and 119,689.08

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Solution

The fourth proportional to 252,809.97, 379,068.18 and 119,689.08 is: 179,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,809.97 : 379,068.18 = 119,689.08 : x
  2. Step 2: Convert to fraction form
    252,809.97/379,068.18 = 119,689.08/x
  3. Step 3: Cross multiply
    252,809.97x = 379,068.18 × 119,689.08
  4. Step 4: Simplify right side
    252,809.97x = 45,370,321,721.47
  5. Step 5: Solve for x
    x = 45,370,321,721.47/252,809.97
  6. Step 6: Final answer
    x = 179,464.13

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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.