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Finding the Fourth Proportional to 260,181.90, 358,919.51 and 174,144.49

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Solution

The fourth proportional to 260,181.90, 358,919.51 and 174,144.49 is: 240,231.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,181.90 : 358,919.51 = 174,144.49 : x
  2. Step 2: Convert to fraction form
    260,181.90/358,919.51 = 174,144.49/x
  3. Step 3: Cross multiply
    260,181.90x = 358,919.51 × 174,144.49
  4. Step 4: Simplify right side
    260,181.90x = 62,503,853,251.98
  5. Step 5: Solve for x
    x = 62,503,853,251.98/260,181.90
  6. Step 6: Final answer
    x = 240,231.37

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1.5x scale

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.