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Finding the Fourth Proportional to 221,792.95, 332,451.85 and 158,420.88

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Solution

The fourth proportional to 221,792.95, 332,451.85 and 158,420.88 is: 237,461.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,792.95 : 332,451.85 = 158,420.88 : x
  2. Step 2: Convert to fraction form
    221,792.95/332,451.85 = 158,420.88/x
  3. Step 3: Cross multiply
    221,792.95x = 332,451.85 × 158,420.88
  4. Step 4: Simplify right side
    221,792.95x = 52,667,313,407.45
  5. Step 5: Solve for x
    x = 52,667,313,407.45/221,792.95
  6. Step 6: Final answer
    x = 237,461.62

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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.