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Finding the Fourth Proportional to 222,373.76, 306,847.68 and 177,166.40

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Solution

The fourth proportional to 222,373.76, 306,847.68 and 177,166.40 is: 244,467.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,373.76 : 306,847.68 = 177,166.40 : x
  2. Step 2: Convert to fraction form
    222,373.76/306,847.68 = 177,166.40/x
  3. Step 3: Cross multiply
    222,373.76x = 306,847.68 × 177,166.40
  4. Step 4: Simplify right side
    222,373.76x = 54,363,098,813.95
  5. Step 5: Solve for x
    x = 54,363,098,813.95/222,373.76
  6. Step 6: Final answer
    x = 244,467.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.