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Finding the Fourth Proportional to 243,765.56, 365,697.54 and 143,997.32

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Solution

The fourth proportional to 243,765.56, 365,697.54 and 143,997.32 is: 216,025.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,765.56 : 365,697.54 = 143,997.32 : x
  2. Step 2: Convert to fraction form
    243,765.56/365,697.54 = 143,997.32/x
  3. Step 3: Cross multiply
    243,765.56x = 365,697.54 × 143,997.32
  4. Step 4: Simplify right side
    243,765.56x = 52,659,465,690.59
  5. Step 5: Solve for x
    x = 52,659,465,690.59/243,765.56
  6. Step 6: Final answer
    x = 216,025.04

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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.