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Finding the Fourth Proportional to 260,159.62, 390,233.33 and 119,918.24

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Solution

The fourth proportional to 260,159.62, 390,233.33 and 119,918.24 is: 179,874.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,159.62 : 390,233.33 = 119,918.24 : x
  2. Step 2: Convert to fraction form
    260,159.62/390,233.33 = 119,918.24/x
  3. Step 3: Cross multiply
    260,159.62x = 390,233.33 × 119,918.24
  4. Step 4: Simplify right side
    260,159.62x = 46,796,093,523.35
  5. Step 5: Solve for x
    x = 46,796,093,523.35/260,159.62
  6. Step 6: Final answer
    x = 179,874.55

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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.