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Finding the Fourth Proportional to 221,235.56, 331,854.54 and 55,023.56

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Solution

The fourth proportional to 221,235.56, 331,854.54 and 55,023.56 is: 82,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,235.56 : 331,854.54 = 55,023.56 : x
  2. Step 2: Convert to fraction form
    221,235.56/331,854.54 = 55,023.56/x
  3. Step 3: Cross multiply
    221,235.56x = 331,854.54 × 55,023.56
  4. Step 4: Simplify right side
    221,235.56x = 18,259,818,192.96
  5. Step 5: Solve for x
    x = 18,259,818,192.96/221,235.56
  6. Step 6: Final answer
    x = 82,535.64

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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.