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Finding the Fourth Proportional to 230,840.12, 346,305.06 and 88,675

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Solution

The fourth proportional to 230,840.12, 346,305.06 and 88,675 is: 133,029.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,840.12 : 346,305.06 = 88,675 : x
  2. Step 2: Convert to fraction form
    230,840.12/346,305.06 = 88,675/x
  3. Step 3: Cross multiply
    230,840.12x = 346,305.06 × 88,675
  4. Step 4: Simplify right side
    230,840.12x = 30,708,601,195.50
  5. Step 5: Solve for x
    x = 30,708,601,195.50/230,840.12
  6. Step 6: Final answer
    x = 133,029.74

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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.