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Finding the Fourth Proportional to 261,181.44, 360,429.12 and 141,949.44

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Solution

The fourth proportional to 261,181.44, 360,429.12 and 141,949.44 is: 195,889.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,181.44 : 360,429.12 = 141,949.44 : x
  2. Step 2: Convert to fraction form
    261,181.44/360,429.12 = 141,949.44/x
  3. Step 3: Cross multiply
    261,181.44x = 360,429.12 × 141,949.44
  4. Step 4: Simplify right side
    261,181.44x = 51,162,711,743.69
  5. Step 5: Solve for x
    x = 51,162,711,743.69/261,181.44
  6. Step 6: Final answer
    x = 195,889.54

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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.