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Finding the Fourth Proportional to 221,903.40, 332,660.70 and 133,062.60

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Solution

The fourth proportional to 221,903.40, 332,660.70 and 133,062.60 is: 199,477.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,903.40 : 332,660.70 = 133,062.60 : x
  2. Step 2: Convert to fraction form
    221,903.40/332,660.70 = 133,062.60/x
  3. Step 3: Cross multiply
    221,903.40x = 332,660.70 × 133,062.60
  4. Step 4: Simplify right side
    221,903.40x = 44,264,697,659.82
  5. Step 5: Solve for x
    x = 44,264,697,659.82/221,903.40
  6. Step 6: Final answer
    x = 199,477.33

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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.