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Finding the Fourth Proportional to 148,507.99, 204,940.80 and 80,524.84

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Solution

The fourth proportional to 148,507.99, 204,940.80 and 80,524.84 is: 111,124.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,507.99 : 204,940.80 = 80,524.84 : x
  2. Step 2: Convert to fraction form
    148,507.99/204,940.80 = 80,524.84/x
  3. Step 3: Cross multiply
    148,507.99x = 204,940.80 × 80,524.84
  4. Step 4: Simplify right side
    148,507.99x = 16,502,824,104.77
  5. Step 5: Solve for x
    x = 16,502,824,104.77/148,507.99
  6. Step 6: Final answer
    x = 111,124.15

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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.