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Finding the Fourth Proportional to 264,595.56, 365,144.40 and 143,737.76

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Solution

The fourth proportional to 264,595.56, 365,144.40 and 143,737.76 is: 198,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,595.56 : 365,144.40 = 143,737.76 : x
  2. Step 2: Convert to fraction form
    264,595.56/365,144.40 = 143,737.76/x
  3. Step 3: Cross multiply
    264,595.56x = 365,144.40 × 143,737.76
  4. Step 4: Simplify right side
    264,595.56x = 52,485,036,306.82
  5. Step 5: Solve for x
    x = 52,485,036,306.82/264,595.56
  6. Step 6: Final answer
    x = 198,359.47

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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.