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Finding the Fourth Proportional to 221,958.48, 332,947.44 and 64,202.88

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Solution

The fourth proportional to 221,958.48, 332,947.44 and 64,202.88 is: 96,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,958.48 : 332,947.44 = 64,202.88 : x
  2. Step 2: Convert to fraction form
    221,958.48/332,947.44 = 64,202.88/x
  3. Step 3: Cross multiply
    221,958.48x = 332,947.44 × 64,202.88
  4. Step 4: Simplify right side
    221,958.48x = 21,376,184,536.63
  5. Step 5: Solve for x
    x = 21,376,184,536.63/221,958.48
  6. Step 6: Final answer
    x = 96,307.13

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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.