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Finding the Fourth Proportional to 264,679.37, 365,256.82 and 143,820.66

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Solution

The fourth proportional to 264,679.37, 365,256.82 and 143,820.66 is: 198,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,679.37 : 365,256.82 = 143,820.66 : x
  2. Step 2: Convert to fraction form
    264,679.37/365,256.82 = 143,820.66/x
  3. Step 3: Cross multiply
    264,679.37x = 365,256.82 × 143,820.66
  4. Step 4: Simplify right side
    264,679.37x = 52,531,478,066.89
  5. Step 5: Solve for x
    x = 52,531,478,066.89/264,679.37
  6. Step 6: Final answer
    x = 198,472.13

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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.