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Finding the Fourth Proportional to 264,754.80, 365,361.20 and 143,895.76

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Solution

The fourth proportional to 264,754.80, 365,361.20 and 143,895.76 is: 198,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,754.80 : 365,361.20 = 143,895.76 : x
  2. Step 2: Convert to fraction form
    264,754.80/365,361.20 = 143,895.76/x
  3. Step 3: Cross multiply
    264,754.80x = 365,361.20 × 143,895.76
  4. Step 4: Simplify right side
    264,754.80x = 52,573,927,548.51
  5. Step 5: Solve for x
    x = 52,573,927,548.51/264,754.80
  6. Step 6: Final answer
    x = 198,575.92

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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.