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Finding the Fourth Proportional to 264,508.55, 365,021.70 and 143,649.87

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Solution

The fourth proportional to 264,508.55, 365,021.70 and 143,649.87 is: 198,236.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,508.55 : 365,021.70 = 143,649.87 : x
  2. Step 2: Convert to fraction form
    264,508.55/365,021.70 = 143,649.87/x
  3. Step 3: Cross multiply
    264,508.55x = 365,021.70 × 143,649.87
  4. Step 4: Simplify right side
    264,508.55x = 52,435,319,752.18
  5. Step 5: Solve for x
    x = 52,435,319,752.18/264,508.55
  6. Step 6: Final answer
    x = 198,236.77

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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.