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Finding the Fourth Proportional to 264,847.76, 365,497.14 and 143,997.20

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Solution

The fourth proportional to 264,847.76, 365,497.14 and 143,997.20 is: 198,720.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,847.76 : 365,497.14 = 143,997.20 : x
  2. Step 2: Convert to fraction form
    264,847.76/365,497.14 = 143,997.20/x
  3. Step 3: Cross multiply
    264,847.76x = 365,497.14 × 143,997.20
  4. Step 4: Simplify right side
    264,847.76x = 52,630,564,768.01
  5. Step 5: Solve for x
    x = 52,630,564,768.01/264,847.76
  6. Step 6: Final answer
    x = 198,720.07

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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.