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Finding the Fourth Proportional to 260,181.33, 358,918.72 and 174,143.92

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Solution

The fourth proportional to 260,181.33, 358,918.72 and 174,143.92 is: 240,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,181.33 : 358,918.72 = 174,143.92 : x
  2. Step 2: Convert to fraction form
    260,181.33/358,918.72 = 174,143.92/x
  3. Step 3: Cross multiply
    260,181.33x = 358,918.72 × 174,143.92
  4. Step 4: Simplify right side
    260,181.33x = 62,503,511,682.82
  5. Step 5: Solve for x
    x = 62,503,511,682.82/260,181.33
  6. Step 6: Final answer
    x = 240,230.58

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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.