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Finding the Fourth Proportional to 264,609.10, 365,159.10 and 143,749.42

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Solution

The fourth proportional to 264,609.10, 365,159.10 and 143,749.42 is: 198,373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,609.10 : 365,159.10 = 143,749.42 : x
  2. Step 2: Convert to fraction form
    264,609.10/365,159.10 = 143,749.42/x
  3. Step 3: Cross multiply
    264,609.10x = 365,159.10 × 143,749.42
  4. Step 4: Simplify right side
    264,609.10x = 52,491,408,832.72
  5. Step 5: Solve for x
    x = 52,491,408,832.72/264,609.10
  6. Step 6: Final answer
    x = 198,373.41

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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.