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Finding the Fourth Proportional to 215,396.75, 297,245.01 and 118,598.60

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Solution

The fourth proportional to 215,396.75, 297,245.01 and 118,598.60 is: 163,664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,396.75 : 297,245.01 = 118,598.60 : x
  2. Step 2: Convert to fraction form
    215,396.75/297,245.01 = 118,598.60/x
  3. Step 3: Cross multiply
    215,396.75x = 297,245.01 × 118,598.60
  4. Step 4: Simplify right side
    215,396.75x = 35,252,840,891.72
  5. Step 5: Solve for x
    x = 35,252,840,891.72/215,396.75
  6. Step 6: Final answer
    x = 163,664.68

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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.