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Finding the Fourth Proportional to 260,949.12, 360,100.16 and 141,714.56

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Solution

The fourth proportional to 260,949.12, 360,100.16 and 141,714.56 is: 195,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,949.12 : 360,100.16 = 141,714.56 : x
  2. Step 2: Convert to fraction form
    260,949.12/360,100.16 = 141,714.56/x
  3. Step 3: Cross multiply
    260,949.12x = 360,100.16 × 141,714.56
  4. Step 4: Simplify right side
    260,949.12x = 51,031,435,730.33
  5. Step 5: Solve for x
    x = 51,031,435,730.33/260,949.12
  6. Step 6: Final answer
    x = 195,560.87

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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.