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Finding the Fourth Proportional to 264,779.98, 365,385.66 and 143,918.50

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Solution

The fourth proportional to 264,779.98, 365,385.66 and 143,918.50 is: 198,601.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,779.98 : 365,385.66 = 143,918.50 : x
  2. Step 2: Convert to fraction form
    264,779.98/365,385.66 = 143,918.50/x
  3. Step 3: Cross multiply
    264,779.98x = 365,385.66 × 143,918.50
  4. Step 4: Simplify right side
    264,779.98x = 52,585,756,108.71
  5. Step 5: Solve for x
    x = 52,585,756,108.71/264,779.98
  6. Step 6: Final answer
    x = 198,601.71

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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.