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Finding the Fourth Proportional to 221,568.40, 332,352.60 and 133,094.80

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Solution

The fourth proportional to 221,568.40, 332,352.60 and 133,094.80 is: 199,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,568.40 : 332,352.60 = 133,094.80 : x
  2. Step 2: Convert to fraction form
    221,568.40/332,352.60 = 133,094.80/x
  3. Step 3: Cross multiply
    221,568.40x = 332,352.60 × 133,094.80
  4. Step 4: Simplify right side
    221,568.40x = 44,234,402,826.48
  5. Step 5: Solve for x
    x = 44,234,402,826.48/221,568.40
  6. Step 6: Final answer
    x = 199,642.20

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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.