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Finding the Fourth Proportional to 221,826.40, 332,642.40 and 88,662.40

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Solution

The fourth proportional to 221,826.40, 332,642.40 and 88,662.40 is: 132,954.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,826.40 : 332,642.40 = 88,662.40 : x
  2. Step 2: Convert to fraction form
    221,826.40/332,642.40 = 88,662.40/x
  3. Step 3: Cross multiply
    221,826.40x = 332,642.40 × 88,662.40
  4. Step 4: Simplify right side
    221,826.40x = 29,492,873,525.76
  5. Step 5: Solve for x
    x = 29,492,873,525.76/221,826.40
  6. Step 6: Final answer
    x = 132,954.75

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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.