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Finding the Fourth Proportional to 230,855.01, 346,392.10 and 159,886.86

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Solution

The fourth proportional to 230,855.01, 346,392.10 and 159,886.86 is: 239,906.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,855.01 : 346,392.10 = 159,886.86 : x
  2. Step 2: Convert to fraction form
    230,855.01/346,392.10 = 159,886.86/x
  3. Step 3: Cross multiply
    230,855.01x = 346,392.10 × 159,886.86
  4. Step 4: Simplify right side
    230,855.01x = 55,383,543,932.11
  5. Step 5: Solve for x
    x = 55,383,543,932.11/230,855.01
  6. Step 6: Final answer
    x = 239,906.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.