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Finding the Fourth Proportional to 264,659.88, 365,226.20 and 143,803.02

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Solution

The fourth proportional to 264,659.88, 365,226.20 and 143,803.02 is: 198,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,659.88 : 365,226.20 = 143,803.02 : x
  2. Step 2: Convert to fraction form
    264,659.88/365,226.20 = 143,803.02/x
  3. Step 3: Cross multiply
    264,659.88x = 365,226.20 × 143,803.02
  4. Step 4: Simplify right side
    264,659.88x = 52,520,630,543.12
  5. Step 5: Solve for x
    x = 52,520,630,543.12/264,659.88
  6. Step 6: Final answer
    x = 198,445.76

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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.