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Finding the Fourth Proportional to 221,074.80, 331,663.08 and 63,304.56

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Solution

The fourth proportional to 221,074.80, 331,663.08 and 63,304.56 is: 94,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,074.80 : 331,663.08 = 63,304.56 : x
  2. Step 2: Convert to fraction form
    221,074.80/331,663.08 = 63,304.56/x
  3. Step 3: Cross multiply
    221,074.80x = 331,663.08 × 63,304.56
  4. Step 4: Simplify right side
    221,074.80x = 20,995,785,347.64
  5. Step 5: Solve for x
    x = 20,995,785,347.64/221,074.80
  6. Step 6: Final answer
    x = 94,971.41

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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.