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Finding the Fourth Proportional to 221,684.10, 332,526.15 and 133,037.70

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Solution

The fourth proportional to 221,684.10, 332,526.15 and 133,037.70 is: 199,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,684.10 : 332,526.15 = 133,037.70 : x
  2. Step 2: Convert to fraction form
    221,684.10/332,526.15 = 133,037.70/x
  3. Step 3: Cross multiply
    221,684.10x = 332,526.15 × 133,037.70
  4. Step 4: Simplify right side
    221,684.10x = 44,238,514,185.86
  5. Step 5: Solve for x
    x = 44,238,514,185.86/221,684.10
  6. Step 6: Final answer
    x = 199,556.55

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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.