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Finding the Fourth Proportional to 264,595.90, 365,128.53 and 143,736.82

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Solution

The fourth proportional to 264,595.90, 365,128.53 and 143,736.82 is: 198,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,595.90 : 365,128.53 = 143,736.82 : x
  2. Step 2: Convert to fraction form
    264,595.90/365,128.53 = 143,736.82/x
  3. Step 3: Cross multiply
    264,595.90x = 365,128.53 × 143,736.82
  4. Step 4: Simplify right side
    264,595.90x = 52,482,413,040.96
  5. Step 5: Solve for x
    x = 52,482,413,040.96/264,595.90
  6. Step 6: Final answer
    x = 198,349.30

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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.