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Finding the Fourth Proportional to 230,852.90, 346,326.15 and 131,060.90

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Solution

The fourth proportional to 230,852.90, 346,326.15 and 131,060.90 is: 196,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,852.90 : 346,326.15 = 131,060.90 : x
  2. Step 2: Convert to fraction form
    230,852.90/346,326.15 = 131,060.90/x
  3. Step 3: Cross multiply
    230,852.90x = 346,326.15 × 131,060.90
  4. Step 4: Simplify right side
    230,852.90x = 45,389,816,912.54
  5. Step 5: Solve for x
    x = 45,389,816,912.54/230,852.90
  6. Step 6: Final answer
    x = 196,617.92

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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.