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Finding the Fourth Proportional to 221,230.96, 331,801.80 and 63,417.04

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Solution

The fourth proportional to 221,230.96, 331,801.80 and 63,417.04 is: 95,112.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,230.96 : 331,801.80 = 63,417.04 : x
  2. Step 2: Convert to fraction form
    221,230.96/331,801.80 = 63,417.04/x
  3. Step 3: Cross multiply
    221,230.96x = 331,801.80 × 63,417.04
  4. Step 4: Simplify right side
    221,230.96x = 21,041,888,022.67
  5. Step 5: Solve for x
    x = 21,041,888,022.67/221,230.96
  6. Step 6: Final answer
    x = 95,112.76

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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.