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Finding the Fourth Proportional to 199,353.68, 275,114.72 and 108,714.61

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Solution

The fourth proportional to 199,353.68, 275,114.72 and 108,714.61 is: 150,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,353.68 : 275,114.72 = 108,714.61 : x
  2. Step 2: Convert to fraction form
    199,353.68/275,114.72 = 108,714.61/x
  3. Step 3: Cross multiply
    199,353.68x = 275,114.72 × 108,714.61
  4. Step 4: Simplify right side
    199,353.68x = 29,908,988,558.22
  5. Step 5: Solve for x
    x = 29,908,988,558.22/199,353.68
  6. Step 6: Final answer
    x = 150,029.78

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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.