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Finding the Fourth Proportional to 148,594.77, 205,060.08 and 80,611.77

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Solution

The fourth proportional to 148,594.77, 205,060.08 and 80,611.77 is: 111,243.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,594.77 : 205,060.08 = 80,611.77 : x
  2. Step 2: Convert to fraction form
    148,594.77/205,060.08 = 80,611.77/x
  3. Step 3: Cross multiply
    148,594.77x = 205,060.08 × 80,611.77
  4. Step 4: Simplify right side
    148,594.77x = 16,530,256,005.14
  5. Step 5: Solve for x
    x = 16,530,256,005.14/148,594.77
  6. Step 6: Final answer
    x = 111,243.86

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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.