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Finding the Fourth Proportional to 216,060.80, 324,436.80 and 146,249.60

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Solution

The fourth proportional to 216,060.80, 324,436.80 and 146,249.60 is: 219,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,060.80 : 324,436.80 = 146,249.60 : x
  2. Step 2: Convert to fraction form
    216,060.80/324,436.80 = 146,249.60/x
  3. Step 3: Cross multiply
    216,060.80x = 324,436.80 × 146,249.60
  4. Step 4: Simplify right side
    216,060.80x = 47,448,752,225.28
  5. Step 5: Solve for x
    x = 47,448,752,225.28/216,060.80
  6. Step 6: Final answer
    x = 219,608.33

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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.