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Finding the Fourth Proportional to 221,863.40, 332,600.70 and 133,022.60

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Solution

The fourth proportional to 221,863.40, 332,600.70 and 133,022.60 is: 199,417.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,863.40 : 332,600.70 = 133,022.60 : x
  2. Step 2: Convert to fraction form
    221,863.40/332,600.70 = 133,022.60/x
  3. Step 3: Cross multiply
    221,863.40x = 332,600.70 × 133,022.60
  4. Step 4: Simplify right side
    221,863.40x = 44,243,409,875.82
  5. Step 5: Solve for x
    x = 44,243,409,875.82/221,863.40
  6. Step 6: Final answer
    x = 199,417.34

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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.